Chris Atherton
Chief Executive Officer and President
Chris Atherton is the Chief Executive Officer and President of Efficient Markets, a technology-enabled asset acquisition and divestiture platform, specializing in auction sales, sealed bid transactions, government lease sales, real estate offerings, and renewables. He offices in downtown Houston, Texas. Chris has been with Efficient Markets since 2002, playing a key role in the firm’s completion of $10B+ in transactions, including sell-side mandates for thousands of Exploration and Production clients. He leads a multidisciplinary team of 50 professionals across engineering, geology, land, technical, business development, marketing, IT, and administration.
Chris has 20 years of experience in the energy industry. He graduated from Texas State in San Marcos with a business management and marketing degree. Prior to Efficient Markets, Chris worked at the Enron Corporation in Houston, Texas. He recently served as the Chairman of the Wildcatter’s Host Committee for the Texas Alliance of Energy Producers and served as the Chairman for the SPE-Gulf Coast Section Business Development Study Group for three years. Chris is also an active member of the IPAA, Texas Energy Alliance, ADAM Houston, ADAM Permian, and Houston Producer’s Forum. He holds FINRA Series 63, 22, and 39 licenses. Check the background of this investment professional on FINRA’s BrokerCheck.
Josh Wannarka
Chief Financial Officer, Chief Operating Officer
Josh Wannarka joined Efficient Markets in June 2024, taking on a joint role as Chief Financial Officer and Chief Operating Officer. He has over 18 years of corporate finance experience in the energy industry. Josh began his career as an energy investment banking analyst with JP Morgan and RBC Capital Markets before working across the upstream and midstream industries with publicly traded, private equity-backed companies. Throughout his career, he has provided strategic oversight and leadership in corporate finance functions ranging from financial planning & analysis, capital market activity, strategic planning, investor relations, sustainability, and corporate communications.
Most recently, Josh was the Senior Vice President of Finance for Crestwood Midstream Partners, where he was actively involved in multiple financing transactions that included senior note offerings, common and preferred equity issuances, revolver credit facility management, and multiple M&A and divestitures. While at Crestwood, he was voted #1 Investor Relations Professional, Investor Relations Team, and Investor Relations Program by Institutional Investor Magazine’s All-America Executive rankings for three consecutive years. He holds an undergraduate degree in economics and business administration from Fordham University and an MBA from the Fuqua School of Business at Duke University.
Chris Waddell
Chief Information Officer
Chris joined Efficient Markets in January 2025 as Chief Information Officer. Based in Dallas, he leads the company’s strategic technology initiatives, overseeing product development, innovation, application development, infrastructure management, and enterprise program management. Through his leadership, his team drives both innovation and continuous improvement through the organization’s core platform.
With nearly three decades of experience in Information Technology and Consulting, Chris brings exceptional depth and breadth to his role. As a veteran of three Perot companies, he successfully led software development teams, managed complex infrastructure projects, and spearheaded business development initiatives. His entrepreneurial spirit is evidenced by his achievement in building two global IT and business consulting organizations spanning six countries.
Chris’ industry expertise covers multiple sectors, including healthcare, commercial enterprise, telecommunications, construction, manufacturing, oil and gas, financial services, and government entities at the Federal, State, and local levels.
A proud Texas native, Chris graduated from Baylor University’s Hankamer School of Business. Beyond his professional accomplishments, he maintains a vibrant personal life—enjoying quality time with his wife and five children, exploring new destinations through travel, pursuing his passion for culinary arts, supporting his children’s athletic endeavors, and showcasing his competitive spirit in barbecue competitions throughout Texas.
Gus Rivero
Chief Ventures Officer
Gus Rivero serves as the Chief Ventures Officer at Efficient Markets, overseeing the Government Resources, Land & Real Estate, and Alternative Energy divisions. With 17 years of experience, Gus specializes in assisting governments, institutions, businesses, and individuals in divesting, leasing, or funding renewable energy projects, oil and gas ventures, real estate, and other commodities through Efficient Markets’ bespoke online platforms.
In 2007, Gus began his career at EnergyNet as part of the Technical Services department. He joined Government Resources in 2011 and has been leading the group since 2018. Under his leadership, Government Resources has successfully sold over $3.5 billion for 34 government offices.
During his tenure with Government Resources, one of Gus’ most significant achievements was expanding the range of commodity types offered to over 30, positioning Efficient Markets as the leading transaction advisor in the energy, real estate, and mining sectors.
Originally from Argentina, Gus moved to the United States in 2001. On December 2, 2010, after a decade-long journey, he proudly became an American citizen.
Gus has been a long-time active affiliate member of the National Association of State Trust Lands (NASTL), a non-profit group of administrators managing over 500 million acres of state-owned trust lands in 21 western states.
Ethan House
Managing Director, Corporate Development
Ethan House has been with Efficient Markets since 2002 and currently serves as Managing Director, Corporate Development. For more than two decades, he has worked across the energy and real property sectors—building relationships, uncovering opportunities, and helping clients move transactions from the first conversation to the closing table. Based in Oklahoma City, Ethan works closely with operators, investors, landowners, and government and industry organizations. His approach is simple: understand the objective, get the right people around the table, and find a practical path forward. Good information, trusted relationships, and steady execution still carry plenty of weight.
Ethan earned a Bachelor of Science in Mass Communications, with an emphasis in marketing and advertising, from West Texas A&M University. He serves on the Board of the Petroleum Alliance of Oklahoma, the Advisory Committee of the ADAM-OKC chapter. He previously served on the boards of the Panhandle Producers and Royalty Owners Association and the Texas Alliance of Energy Producers.
Outside the office, Ethan serves on the Board of the Oklahoma Wildlife Conservation Foundation, supporting efforts to introduce the next generation to responsible hunting, conservation, and the outdoors. Ethan holds FINRA Series 22, 39, and 63 licenses and is a licensed Texas auctioneer (License No. 16676). His professional background is available through FINRA BrokerCheck.
Cody Felton
Managing Director
Cody joined Efficient Markets in 2012 and currently serves as the Managing Director for the Gulf Coast and Eastern States regions. He offices in downtown Houston, Texas. Cody is a U.S. Coast Guard veteran, having served in the Presidential Honor Guard in Washington, D.C., and as a regulatory agent in Houston. He graduated from West Texas A&M University in 2004 with a degree in Criminal Justice and later earned an MBA from American Military University.
Prior to joining Efficient Markets, Cody worked for O’Brien’s Response Management as a Project Manager in the regulatory consulting division. He is the Past Chair for the Society of Petroleum Engineers – Gulf Coast Section BD Group and a member of IPAA and LOGA. Cody holds FINRA Series 63 and 22 licenses. Check the background of this investment professional on FINRA’s BrokerCheck. Outside of work, Cody enjoys spending time fishing in Galveston with his family.
Emily McGinley
Director of Business Development
Emily joined Efficient Markets in 2018 and currently serves as the Director of Business Development for the Mid-Continent, Texas Panhandle, Northern Louisiana, and Western U.S. regions. She offices in Oklahoma City, Oklahoma. Emily earned her Bachelor of Science degree in Business Administration with a focus on Energy Management from the University of Oklahoma in 2008. She began her career as a Landman at Devon Energy Corporation, specializing in Mid-Continent asset development, where she spent five successful years. Emily then transitioned to Devon’s Acquisitions and Divestitures group, where she spent another five years. During her tenure in A&D, she was involved with multiple transactions, covering assets in several basins – the value of which exceeded fourteen billion dollars.
Emily is an active member of Oklahoma Energy Explorers, The Petroleum Alliance of Oklahoma, ADAM-OKC, Oklahoma City Association of Petroleum Landmen, and American Association of Professional Landmen. In her free time, Emily enjoys spending time with her husband JP and two daughters, Mayson and Meritt. She serves as a board member for the Wes Welker Foundation, which influences at-risk youth, through athletics and positive role models. On Sundays, Emily can be found volunteering with kids at her church. In 2021, she began volunteering with Ground Zero Canines, a non-profit which trains search and rescue dogs to assist in natural and man-made disasters. Emily McGinley holds FINRA Series 63 and 22 licenses. Check the background of this investment professional on FINRA’s BrokerCheck.
Zachary Muroff
Managing Director
Zachary joined the Efficient Markets team in 2020 and currently serves as the Managing Director for the Dallas / Fort Worth, East Texas, and Permian Basin areas. He offices in the DFW area. Zachary graduated from the Frank G. Zarb School of Business at Hofstra University in 2006 with a BA in Finance and Business Management. For the past twelve years, he has worked with startups and global software companies in a number of Sales and Business Development roles.
In 2021, Zachary was selected for Hart Energy’s Oil & Investor Forty under 40 list, an honor for the oil and gas industry’s rising leaders. In his free time, he can be found spending time with family and friends, traveling, cheering for Boston sports, trying new foods, and volunteering for community organizations.
Megan Larson
Vice President of Strategic Initiatives
Megan Larson joined Efficient Markets in October 2025 as Vice President of Strategic Initiatives. She has nearly 15 years of finance and communications experience in the energy industry, spanning across roles in corporate banking and investor relations, in addition to several years’ experience in the journalism industry. Most recently, Megan was Senior Investor Relations Advisor at Murphy Oil Corporation, where she assisted with all aspects of investor relations and communications.
Megan graduated with a Bachelor of Journalism from the University of Texas and a Master of Business Administration from Southern Methodist University. She holds the Investor Relations Charter (IRC)® and was named a 2025 National Investor Relations Institute (NIRI) Rising Leaders Under 40. An avid sailor, Megan is a U.S. Coast Guard licensed 25-Ton Master and U.S. Sailing certified Club Race Officer. Megan also volunteers in numerous capacities across NIRI Houston, the Houston Yacht Club and Women’s Energy Network – Houston.
Hannah Loeffelbein
Buyer Relations / Transactions Manager
Hannah joined the Efficient Markets team in June 2024 and currently serves as a Buyer Relations / Transactions Manager. She offices in Downtown Houston, Texas. Hannah graduated from Texas Christian University with a Bachelor of Science in Strategic Communications, Public Relations, Advertising, and Applied Communication. While at TCU, she balanced her studies with a commitment to collegiate athletics. Originally from Kansas City, Hannah has found a new home in Texas.
In her role, she applies her strategic communications expertise to foster relationships and drive growth in the energy sector. Hannah is excited to make a meaningful impact in this dynamic field and welcomes connections to explore opportunities and discuss mutual success.
William Tucker
Business Development Manager
William joined Efficient Markets in August 2024 as a Business Development Manager, based in Downtown Houston, Texas.
William is a graduate of Pepperdine University with a Bachelor of Science in Business Administration. He grew up in the Houston area and came to Efficient Markets with a deep-rooted knowledge of the oil and gas industry. He is committed to building valuable relationships with Efficient Markets clients and professionals across the energy sector.
Outside of work, William enjoys spending time with family and friends, traveling, and watching sports.
Jessica Scott
Buyer Relations / Transactions Manager
Jessica joined the Efficient Markets team in February 2023 and currently serves as a Buyer Relations / Transactions Manager in Efficient Markets’ Business Development department. She offices in Oklahoma City, Oklahoma. Jessica graduated from Oklahoma Christian University with a Bachelor of Business Administration in Marketing. She brings with her 14 years of experience as a Senior Land Tech in the Oil and Gas Industry. Jessica enjoys creating relationships with Efficient Markets’ buyers to target their specific property interests. In her free time, Jessica enjoys spending time with her family and friends, early morning gym bootcamps, volunteering at FaithKids at her local church, and showing kindness to all people.
Krysta Turner
VP of Technical Services / Engineering
Krysta, a native of Walsh, Colorado, moved to the Texas Panhandle in July 2008 to complete her degree at West Texas A&M University. She graduated in December 2010 with a Bachelor of General Studies, focusing on Psychology, Sociology, and History, and began her career at WTAMU in their Educational Services department. Krysta joined the Land Team at Efficient Markets in August 2013, where her quick mastery of Engineering support tasks, GIS mapping, and Land-related responsibilities, along with her dedication and strong work ethic, quickly made her an invaluable team member.
In 2018, Krysta restructured the Land & Technical Services department, significantly improving the efficiency, timeliness, and accuracy of property presentations and data rooms. She earned her PHDWin Certification in November 2017 after completing the training course in Houston, Texas. Krysta also participated in and graduated from the Dale Carnegie course in December 2014, where she received the Outstanding Human Relations award, and later completed the Dale Carnegie Leadership Training for Managers in October 2018, earning an Outstanding Performance Award.
Cathy Sifuentez
Senior Quality Control Manager
Cathy joined Efficient Markets in July 2003, having previously worked for Diamond Shamrock Corporation, Mesa Ltd. Partnership, and Seagull Midcon Inc. Known for her keen attention to detail, Cathy performs the final review of Sealed Bid and Auction property presentations and data rooms. She also manages Seller title confirmations, including State and Federal Title; verifies preferential rights, property consents, and depth restriction information; and handles live lot Seller updates.
Robin Lancaster
Conveyancing Manager
Robin, a native of Amarillo, Texas, joined the Efficient Markets team in June 2019 as the Office Administrator. She currently serves as the Conveyancing Manager, where she is responsible for managing and recording all incoming and outgoing conveyance instruments and regulatory documents. In this role, Robin ensures the accurate and timely processing of legal documents, maintains organized records, and supports compliance with relevant regulations.
She continues to leverage her extensive customer service experience, along with her excellent communication and organizational skills.
Keith Ries
Managing Director, Engineering
Keith serves as the Managing Director for Indigo Energy Advisors, an Efficient Markets platform, overseeing the Oil and Gas Technical team. His team works in conjunction with the Business Development and Transaction Management teams focusing on engineering evaluations, proposals, data room and executive summary presentations for Efficient Markets’ higher valued transactions.
Keith joined Efficient Markets in 2019 and offices in downtown Houston, Texas. He has a Bachelor of Science degree in Petroleum Engineering from The University of Texas at Austin. Before joining Efficient Markets, Keith served in multiple capacities, ranging from reservoir, operations, and production engineering to corporate reserves, executive strategy, and business development. Keith has worked for Linn Energy, Aurora Oil & Gas, Pressler Petroleum Consultants, and ConocoPhillips. His experience spans the Lower 48 on both conventional and unconventional assets.
Keith is a member of SPE, IPAA, and HPF.
Jonathan Kalkan
Senior Director, Technical Evaluations
Jonathan joined the Indigo Energy Advisors’ team in 2021 and now serves as the Senior Director of Technical Evaluations. He offices in Downtown Houston, Texas.
Jonathan has a Master’s in Business Administration from the University of Houston Victoria and a Bachelor of Science degree in Finance with a minor in Economics from LeTourneau University.
Prior to joining Efficient Markets, Jonathan worked in Energy Investment Banking on the A&D Groups of BMO Capital Markets, PJ Solomon, and Barclays. He has $13B+ in publicly closed transaction value in conventional and unconventional upstream A&D, corporate M&A, midstream, and minerals and ORRI. His experience spans Lower 48 and Alaska on both conventional and unconventional assets.
Reilly Bliton
Director of Business Development
Reilly joined the Indigo Energy Advisors’ team in 2022 and currently serves as Director of Business Development for the Rockies region. He offices in Denver, Colorado. Reilly began his career as a Petroleum Engineer with ExxonMobil where he held several Reservoir Engineering and Strategic Planning positions. He joined Evercore’s Energy Group in 2011 as an Investment Banker in the firm’s oil and gas Acquisitions and Divestitures practice. While at Evercore, Reilly advised clients on more than $25 Billion of oil and gas transactions including asset purchases and sales, strategic joint ventures, corporate mergers, fundraising and restructuring.
Reilly has an undergraduate degree in Mechanical Engineering from NC State University where he graduated summa cum laude and an MBA from Rice University. He is a licensed Professional Engineer in Texas and holds a FINRA Series 22 license. Check the background of this investment professional on FINRA’s BrokerCheck.
Cameron Cooper
Director, Geotechnical Services
Cameron joined the Indigo Energy Advisors’ team in August of 2022. He earned both his Master’s and Bachelor’s degrees in Earth Science from Emporia State University in Kansas, specializing in Geospatial Analysis within the JOVE NASA Geospatial Laboratory at ESU.
Cameron brings 20+ years of expertise in civil engineering, renewable energy, and both conventional and unconventional energy assets. Before joining Indigo Energy Advisors, an Efficient Markets platform, he worked in energy investment banking with the A&D Groups at RBC Richardson Barr, Deutsche Bank, and Citi. Overall, Cameron has been involved in more than $20B of energy market transactions.
Clint Barnette
Director, Geology
Clint serves as the Director of Geology for Indigo Energy Advisors on their Oil and Gas Technical team. He works in conjunction with the Business Development and Transaction Management teams focusing on geologic asset evaluations, proposals, data rooms and executive summary presentations for Efficient Markets’ higher valued assets. Clint offices in downtown Houston, Texas.
Clint joined Efficient Markets in 2023. He began his career as a Geologist at Marathon Oil Corporation where he held positions in the Eagle Ford Development and Geological Operations teams. He joined Tri-C Energy Partners in 2017 as a Geologist with responsibilities covering geological operations, asset development and A&D evaluation. His experience covers the Lower 48 for both unconventional and conventional assets. Clint has a Bachelor of Science degree in Geology from Texas A&M University and a Master of Science degree in Geology from the University of Houston with a thesis on chemostratigraphy.
Clint is a member of AAPG, SPE and HPF.
Andrew Tharp
Vice President of Engineering
Andrew is a third-generation Petroleum Engineer with over 15 years’ experience across the oil and gas sector, spanning upstream engineering, investment banking, private capital, reservoir consulting, and roles at independent U.S. operators. Andrew holds a Bachelor of Science in Petroleum Engineering from the University of Texas at Austin, and his experience includes both conventional and unconventional assets across domestic and international markets. Andrew is a registered Professional Engineer (P.E.) in the State of Texas.
James Ramos
Vice President of Engineering
James joined Indigo Energy Advisors in 2026 and serves as Vice President of Engineering. He offices in Houston, Texas.
James began his career with roles in oil and gas services before transitioning to transactions in 2014, working in energy investment banking at Citi, Barclays, Lazard, and others. He is well-versed in all basins in the Lower 48 and has closed $17+ billion in transactions, including A&D, capital raises, restructuring, and joint ventures across upstream, midstream, and minerals assets.
James has a Bachelor of Science in Petroleum Engineering from The University of Texas at Austin and holds FINRA Series 63 and 79 licenses. His professional background is available through FINRA BrokerCheck.
Sean Thomas
Senior Financial and Engineering Analyst II
Sean currently serves as Senior Financial and Engineering Analyst II. He joined the Efficient Markets team in November 2016 as a Land/Data Analyst after graduating from Texas Tech University with a Bachelor’s degree in Accounting. At Tech, Sean received various scholarly awards, including graduating Cum Laude. As the Lead Engineering/Data Analyst for the Sealed Bid Team, Sean manages, prepares and reviews the property presentations for Sealed Bid properties. He also processes Seller PHDWin or ARIES files for production data. In the Spring of 2018, Sean graduated from the Dale Carnegie Course. He is a native of Amarillo, Texas. In his free time, Sean enjoys spending time with his family and watching sports – he is an avid Dallas Stars Hockey fan.
Susan Johnson
Senior Account Manager
Susan Johnson joined the Efficient Markets Team in May of 2018 as a VDR/Land Assistant and now serves as a Senior Account Manager. Her duties include data, production, and cash flow analysis, as well as creating online property presentations and data rooms. Susan graduated in 2018 with her Associates in General Studies from Amarillo College. She and her husband live in Amarillo with their chorkie, Scout.
Ryan Blakely
Senior GIS / Financial Analyst
Ryan currently serves as a Senior GIS/Financial Analyst. He moved to Amarillo in 2017 and joined the Efficient Markets team in May 2018. His role includes creating GIS maps, analyzing data, building cash flow tables, conducting production analysis, and preparing property presentations for auction.
Originally from Springville, New York, Ryan joined the United States Army after high school and served for five years. After leaving the military in 2013, he returned home to pursue his education at Hilbert College in Hamburg, New York. He graduated with honors in 2017, earning a bachelor’s degree in Legal Research.
Brittney Jernigan
Financial Analyst II
Brittney Jernigan, a native of Amarillo, Texas, earned her Associate of Applied Science degree from Amarillo College with a focus on Legal Studies. During her time at Amarillo College, she gained valuable experience working for a locally owned plumbing and HVAC company, where she served as Office Manager before advancing to Assistant Finance Manager, overseeing revenue reports and payroll.
In June 2018, Brittney joined the Efficient Markets team as a VDR and Land Assistant. In this role, she plays a key part in maintaining the Virtual Data Rooms, data collection and organization, production and cash flow analysis, and preparing online property presentations.
Outside of work, Brittney enjoys spending time with family and friends, reading, binge-watching Netflix series, and raising her two daughters.
Charisa Bryant
Lead VDR Coordinator
Charisa is the Lead VDR Coordinator at Efficient Markets. She joined the company in November 2018, bringing 22 years of customer service experience and two years of data entry experience. Known for her strong organizational skills and attention to detail, she enjoys handling paperwork and administrative tasks.
Her responsibilities include processing digital and physical files into the VDR, ensuring quality control, training new land team members on data room creation, and managing canceled lots.
Charisa has been married to her husband, Justin, for 27 years. They have four children and three grandchildren. She loves traveling with family and friends whenever possible.
Neil McCutcheon
Analyst
Neil McCutcheon joined the Efficient Markets Technical Services team in February of 2023. With a family background in the Oil and Gas Industry, he is excited to find his own path in this field. Neil moved to Amarillo after receiving his Bachelor’s degree in Business Administration from Utah State University in 2017. Neil enjoys all sports, particularly football, baseball, and golf. He is an avid golfer and can often be found on the weekends at the golf course with friends and family. His responsibilities include creating property maps, analyzing data, constructing cash flow tables, production analysis, and creating property presentations for auctions.
Theresa Taylor
Analyst
Theresa Taylor joined the EnergyNet Technical Services team in 2023. She’s an Amarillo Native with a Bachelor’s degree from West Texas A&M University in Business Administration.
Theresa’s job duties include analyzing seller data, constructing cash flow tables, analyzing production, and creating property presentations for auctions.
Anastasia Brooking
Vice President of Strategic Development
Anastasia Brooking serves as Vice President of Strategic Development for Efficient Markets, where she leads initiatives across the Government Resources, Lands & Realty, and Alternative Energy divisions. She works with governments, institutions, businesses, and individuals, assisting them with the divestiture, leasing, or funding of their renewable energy projects, oil and gas, real estate, and other commodities.
Anastasia joined the Efficient Markets team in 2018 as an Analyst for the Government Resources department. Her market and regulatory research work greatly contributed to the development of new service offerings, enabling Efficient Markets to become the broker of choice for over 30 commodity types, including real estate. In October 2022, after four years of impactful contribution to Efficient Markets’ growth, she was promoted to her current position of Vice President of Strategic Development.
Anastasia graduated from WTAMU with a B.B.A. in 2016, majoring in finance with a minor in management. She also completed her M.S. in finance and economics in 2017 at WTAMU. While completing her M.S. degree, she was inducted into Beta Gamma Sigma—The International Business Honors Society.
Heather Fugger
Senior Vice President, Client Advisory Services
In 2017, Heather joined the Efficient Markets team as a Government Resources Analyst. She now serves as the Senior Vice President of Client Advisory Services, managing key client relationships across the Government Resources, Lands & Realty, and Alternative Energy divisions.
Heather attended the University of Maine. She brings over 25 years of C-suite administrative experience, with a focus on contracting administration and project management. Heather has significantly boosted efficiency in multiple processes and initiatives by applying proven project management practices. Her expertise ensures that all services exceed the rigorous standards set forth by government clients.
Tate Smith
Senior Associate, Client Advisory Services
Tate joined Efficient Markets as Senior Associate of Client Advisory Services in 2023. He has over 10 years of experience in land administration and project management.
Prior to Efficient Markets, Tate served as Conservation Director at the Wyoming Stock Growers Land Trust, where he permanently conserved 18,000 acres of Wyoming ranchland and sourced over $30 million in federal, state, and private grant funding. He also worked for the Wyoming Office of State Lands and Investments as the Mineral Leasing Supervisor. In that role, Tate and his team managed 3.9 million acres of state trust mineral resources and a portfolio of over 3,000 active oil and gas leases.
Tate graduated from the University of Wyoming in 2012 with a Bachelor of Science in Rangeland Ecology and Watershed Management.
Jackie Niebling
Business Development, Real Estate
With over 30 years of experience in commercial real estate, Jackie has built a career spanning brokerage, development, and asset management. Her expertise includes acquisitions, dispositions, syndication, and strategic investment planning, helping clients maximize returns and navigate complex transactions.
Jackie has been part of high-performing teams responsible for large-scale deals, including transactions exceeding $500 million. One of her notable achievements was executing the largest retail sale in the Phoenix market in 2008. She has also successfully transformed portfolios through strategic 1031 exchanges, turning $6 million in assets into ten times their value over a decade.
Throughout her career, Jackie has collaborated with successful developers, leveraging her knowledge of market dynamics and financial structuring to drive growth. Her deep understanding of commercial real estate, combined with multiple industry designations, allows her to bring a results-driven approach to acquisition and divestitures.
Brian Dunks
Business Development, Real Estate
Brian Dunks serves as Business Development, Real Estate at Efficient Markets, where he focuses on expanding real estate opportunities, developing strategic relationships, and connecting government entities, institutions, property owners, investors, developers, and brokers with Efficient Markets’ transaction platform.
Brian brings more than 30 years of combined experience in business development, sales, executive consulting, organizational leadership, and real estate. As a licensed Texas real estate professional with Ranchman Properties, he specializes in farm and ranch properties, land, acreage, and investment and development opportunities. His background includes property valuation, market analysis, acquisitions and dispositions, development strategy, marketing, investor presentations, and contract negotiations.
Prior to entering real estate, Brian spent more than a decade as an Executive Search Consultant with Vanderbloemen Search Group. During his tenure, he advised more than 200 organizations, completed over 250 executive searches, and conducted more than 3,000 executive-level interviews. His work included business development, consultative sales, executive assessment, project management, negotiations, and presentations to executives and boards.
Brian also previously served as Director of Sales for the Eastern Division of Mid-States Services, leading sales and business development across a 22-state territory and working with federal, state, and county government institutions. Earlier in his career, he spent more than two decades in pastoral and executive leadership, developing extensive experience in strategic planning, organizational growth, team development, and public communication.
A native Texan, Brian is a graduate of Baylor University and pursued graduate theological education at Southwestern Baptist Theological Seminary. He and his wife live in the Dallas–Fort Worth area.
Lisa Weiss
Financial Operations Manager
Lisa joined Efficient Markets in 2004 and currently serves as the Financial Operations Manager. In 2002, she earned her B.B.A. in Business Management from Texas Tech University. With six years of experience as an Administrative Assistant before joining the company, Lisa brings a strong background in financial administration and operational management.
In her role, Lisa oversees all closings, ensuring transactions are processed efficiently and accurately. She leads the Amarillo accounting team, managing financial operations, reconciliations, and reporting to maintain smooth business processes. Additionally, she plays a key role in overseeing day-to-day operations at the Amarillo office, coordinating office management, supporting staff, and ensuring an efficient and organized workplace. With her extensive experience and dedication, Lisa is an integral part of Efficient Markets’ financial and operational success.
Erin Carter
Accounting Assistant
Erin is the Accounting Assistant at Efficient Markets, bringing over ten years of customer service experience to the role. Her strong organizational skills and ability to multitask were honed during her time as the Office Manager for her husband’s plumbing business. Erin’s familiarity with oil and gas documents, gained through her work with various law firms, complements her role at Efficient Markets.
Her responsibilities include managing closing auctions, processing bid allowances, and supporting the accounting team with various financial tasks. She plays a key role in assisting with reconciliations, preparing reports, and ensuring accurate and timely financial transactions.
Sarena Poor
Marketing Manager
Sarena is the Marketing Manager for Efficient Markets, where she influences the development, implementation, and execution of strategic marketing plans that elevate the brand’s presence and enhance client relationships. She also plans and hosts impactful events for both the Efficient Markets team and clients, fostering a strong company culture and meaningful business interactions.
She joined the company in 2018 as a Customer Relations Representative and transitioned to Marketing Manager in 2020. With over 20 years of experience in multi-media marketing and advertising, Sarena brings a deep understanding of brand development, messaging strategy, and client engagement. In 2019, she completed the Dale Carnegie Course, earning the prestigious Breakthrough Award.
Sarena is an active member of the Petroleum Alliance of Oklahoma, PPROA, the Western Energy Alliance, and the Women’s Energy Network – Houston Chapter. She has spent most of her life in the Texas Panhandle and is passionate about storytelling, marketing innovation, and building connections that drive business forward.
Kylie Miller
Marketing Associate
Kylie joined the Efficient Markets team in 2023 as Marketing Associate. Her duties include email marketing, content creation, and assisting with website updates and social media posts. Kylie graduated Summa Cum Laude from West Texas A&M University with a Bachelor’s degree in Business Marketing. While attending WTAMU, she was a member of the Beta Gamma Sigma International Business Honor Society. Outside of work, Kylie enjoys staying active at the gym, golfing, or playing tennis.
Joshua Routin
Director of Software Engineering
Joshua joined Efficient Markets in 2021 as Software Engineering Manager. He now serves as Director of Software Engineering and helps lead the Development Team in the design, implementation, and maintenance of all supported software. He brings a wide range of expertise to the team including 15+ years as a technical analyst, 9+ years as a senior data analyst, and 2+ years as a lead application developer. Joshua lives in San Antonio with his wife and son.
David Long
Principal Architect
David joined Efficient Markets in 2025 as Principal Architect to enhance the platform through cloud migration and modernization. He brings 25 years of software development experience to the role, with deep expertise in architecting enterprise-scale applications across Microsoft Azure and AWS ecosystems. His background includes serving as lead architect for complex systems in healthcare and enterprise sectors.
David holds a Bachelor’s degree in Computer Science from the University of Texas at Dallas and maintains multiple Microsoft certifications.
Michael Klein
Senior Software Engineer
Michael Klein joined Efficient Markets in 2025 as Senior Software Engineer with more than 20 years of experience in information technology, primarily focused on software development and enterprise-wide architecture solutions.
Through his tenure across multiple industries and technologies, Michael meets challenges by focusing on the bigger picture before developing viable solutions.
Originally from Lubbock, Texas, Michael is a graduate of Texas Tech University with a bachelor’s degree in management information systems. In his free time, he enjoys DIY home remodeling projects, cheering for the Red Raiders and spending time with family.
Eric Watkins
Senior Software Engineer
Eric, a native of Chattanooga, TN, joined Efficient Markets in 2023 and currently serves as Senior Software Engineer. He studied Electrical Engineering at Tennessee Tech University and Computer Science at the University of Tennessee in Chattanooga. Eric brings 20+ years of software architecture and development experience. He also gained mining and materials experience while leading a development team at Oldcastle Materials. Eric has home loan and business banking experience with LendingTree and Bank of America. He held key roles at Microsoft, helping Fortune 500 companies troubleshoot critical operating systems issues and delivering distributed computing training to development engineers. When not geeking out on technology, Eric enjoys cooking, gaming, driving to the beach or the mountains, anything aviation-related, and spending time with his family in Charlotte, NC.
Allen Choe
Senior Software Engineer
Allen joined Efficient Markets in April 2026 as a backend senior software engineer. He has combined 20+ years of software engineering experience in medical technology and home loan mortgage industry. During his career, his role ranged from senior software engineer to team lead, and most recently as a staff engineer. He is passionate about improving business processes through technology and enjoys reading and learning about new technologies. Allen studied mechanical engineering at University of Texas at San Antonio and is a certified scrum master. Away from work, he enjoys spending time with his family, photography, and travel.
Axl McCracken
DevOps Engineer
Axl joined Efficient Markets in 2019 as a Junior Software Developer and has since grown into the role of DevOps Engineer. He manages the Azure cloud infrastructure that powers the EfficientMarkets property auction platform, focusing on automating deployments, optimizing CI/CD pipelines, and implementing infrastructure as code using Azure Bicep.
His transition from full-stack development to DevOps gives him a unique perspective on how infrastructure decisions impact application performance and developer experience. He’s currently pursuing Microsoft Azure DevOps Engineer certification, dedicating significant time to expanding his expertise in cloud architecture and DevOps best practices.
A self-taught programmer who earned his Associate’s Degree from Amarillo College in 2017, Axl thrives on technical problem-solving and learning new systems. He’s passionate about continuous learning and staying current with emerging DevOps technologies and practices.
Anju Shrestha
Quality Assurance Engineer
Anju is an enthusiastic, quality-driven QA professional with over eight years of experience ensuring software quality across a range of web and API-based platforms. With a collaborative approach and keen attention to detail, she drives high-quality user experiences and reliable software delivery by leading initiatives to expand testing coverage, implement test automation, and maintain comprehensive QA documentation throughout the software development lifecycle. She is passionate about continuous improvement and stays up to date with the latest testing techniques and best practices.
Originally from Nepal, Anju now resides in Fort Mill, South Carolina with her family. Outside of work, she enjoys running, gardening, spending time with her loved ones, and engaging in community service.
Brandon Denney
IT Director
Brandon, an Amarillo, TX native, joined Efficient Markets in 2021 as IT Director. He graduated from West Texas A&M University in 2004 with a degree in Computer Science. Brandon brings with him over 25 years of computer hardware experience, and more than 15 years of IT management experience.
Outside of work, Brandon enjoys traveling with his wife, computer gaming, the Marching Arts, and spending time with his family at the lake. Brandon is also a certified SCUBA diver with dives around the world, including the Great Barrier Reef.
