Dub Kruse
Dub Kruse is an Advisory Team Lead & Senior Mineral Advisor at ES3 Minerals LLC. A San Diego native, Mr. Kruse attended UC San Diego, where he majored in structural engineering with minors in Economics and U.S. History. He and his wife, who have been married for over 30 years, share a daughter and a […]
Marco Broccardo
Marco Broccardo serves as a Mineral Advisor at ES3 Minerals LLC. He is a South African–born entrepreneur, adventurer, and executive coach with more than two decades of leadership experience spanning technology, organizational development, and cross-cultural team building. His diverse background in high-growth startups, strategic leadership, and complex problem-solving brings a unique dimension to his role at […]
Ryan Tunnell
Ryan Tunnell is a Senior Mineral Analyst at ES3 Minerals LLC. He holds a B.A. in Criminal Justice from Texas State University and is currently pursuing an MBA from Western Governors University. Mr. Tunnell’s career began in 2011 when he joined his father at an operator in Caldwell County, Texas, where he helped bring horizontal […]
Forrest DeShong
Forrest DeShong is a Mineral Analyst at ES3 Minerals LLC. A native Texan, Forrest was born in Houston and graduated from the University of Texas at Austin in 2022. After completing his degree, he settled in Austin, where he has lived ever since. Forrest has a few years of experience in the mineral acquisition business, […]
Meredith Johnson-Fleming
Meredith Johnson-Fleming is a Junior Mineral Analyst at ES3 Minerals LLC. She received her B.S. in Geology from Texas A&M University in 2023 and earned her M.S. in Geology from Baylor University in 2026. Her graduate research focused on carbon systems in arid and semi-arid soils, utilizing geochemical, isotopic, and environmental data analysis across multiple […]
Mike Waltz
Mike Waltz serves as a Landman at ES3 Minerals, LLC. He earned a Bachelor of Business Administration in Accounting from the University of Houston–Downtown and began his career in the oil and gas industry in 2004 with a brokerage firm in East Texas. With more than two decades of industry experience, Mr. Waltz has developed […]
Alan Gonzalez
Alan Gonzalez serves as a Landman at ES3 Minerals, LLC. A North Texas native, Mr. Gonzalez was raised in the Dallas–Fort Worth area and earned his degree in Energy Commerce from Texas Tech University in 2021. Following graduation, he returned to the DFW Metroplex to begin his career in the oil and gas industry as […]
Mak Becker
Mak Becker is a Petroleum Landman at ES3 Minerals LLC. He holds a Bachelor of Business Administration from Texas A&M University–Corpus Christi and brings more than 20 years of experience in the oil and gas industry. Throughout his career, Mr. Becker has worked across multiple disciplines, including upstream land, acquisitions, E&P, and midstream and terminal operations. Mr. […]
Robert Walker
Robert Walker is a Mineral Advisor at ES3 Minerals LLC. A native Texan and devoted family man, Mr. Walker’s early life was shaped by his father’s successful career in the oil and gas industry, which led the family to live in Tripoli, Libya, for five years. This experience sparked his passion for traveling the world […]
Hunter Armstrong
Hunter Armstrong is a Mineral Advisor at ES3 Minerals LLC. Born and raised in Austin, Hunter has spent nearly his entire life in the area and studied Physics at the University of Texas at San Antonio. Before joining the ES3 team, Hunter spent over a decade in the moving industry, overseeing projects throughout Central Texas. […]