- Frank A. Lodzinski
Chief Executive Officer
- Robert J. Anderson
Executive Vice President, Corporate Development and Engineering
- Mark Lumpkin, Jr.
Executive Vice President,
Chief Financial Officer
- Steven C. Collins
Executive Vice President, Completions and Operations
- Timothy D. Merrifield
Executive Vice President, Geology and Geophysics
- Francis M. Mury
Executive Vice President, Drilling and Development
- Ray Singleton
Executive Vice President, Northern Region
- Tony Oviedo
Executive Vice President, Accounting and Administration
- Lane McKinney
- Scott Thelander
Director of Finance
In 1984, he formed Energy Resource Associates, Inc., which acquired management and controlling interests in oil and gas limited partnerships, joint ventures and producing properties. Certain partnerships were exchanged for common shares of Hampton Resources Corporation in 1992, which Mr. Lodzinski joined as a director and President. Hampton was sold in 1995 to Bellwether Exploration Company.
In 1996, he formed Cliffwood Oil & Gas Corp. and in 1997, Cliffwood shareholders acquired a controlling interest in Texoil, Inc., where Mr. Lodzinski served as CEO and President. In 2001, Mr. Lodzinski was appointed CEO and President of AROC, Inc., to direct the restructuring and ultimate liquidation of that company. In 2003, AROC completed a monetization of oil and gas assets with an institutional investor and began a plan of liquidation in 2004.
In 2004, Mr. Lodzinski formed Southern Bay Energy, LLC, the general partner of Southern Bay Oil & Gas, L.P., which acquired the residual assets of AROC, Inc., and he served as President of Southern Bay Energy, LLC since its formation. The Southern Bay entities were merged into GeoResources in April 2007.
Mr. Lodzinski has served as a director and member of the audit committee of Yuma Energy, Inc. since September 2014. He holds a BSBA degree in Accounting and Finance from Wayne State University in Detroit, Michigan.
Prior to Oak Valley, he served from August 2012 to February 2013 as Executive Vice President and Chief Operating Officer at Halcón Resources Corporation. Mr. Anderson was employed by GeoResources, Inc. from April 2007 until its merger with Halcón Resources in August 2012, ultimately serving as a director and Executive Vice President, Chief Operating Officer – Northern Region. He was involved in the formation of Southern Bay Energy in September 2004 as Vice President, Acquisitions until its merger with GeoResources in April 2007. From March 2004 to August 2004, Mr. Anderson was employed by AROC, a predecessor company to Southern Bay Energy, as Vice President, Acquisitions and Divestitures. From September 2000 to February 2004, he was employed by Anadarko Petroleum Corporation as a petroleum engineer. In addition, he has worked with major oil companies, including ARCO International/Vastar Resources, and independent oil companies, including Hunt Oil, Hugoton Energy, and Pacific Enterprises Oil Company.
His professional experience includes acquisition evaluation, reservoir and production engineering, field development, project economics, budgeting and planning, and capital markets. His domestic acquisition and divestiture experience includes Texas and Louisiana (offshore and onshore), Mid-Continent, and the Rocky Mountain states, and international experience includes Canada, South America, and Russia. Mr. Anderson has a B.S. degree in Petroleum Engineering from the University of Wyoming and an MBA from the University of Denver.
Mr. Lumpkin graduated with a B.A. degree in Economics from Louisiana State University and graduated with a Master of Business Administration degree with a Finance concentration from Tulane University.
Prior to employment by Oak Valley, he served from August 2012 to November 2012 as a consultant to Halcón Resources. Mr. Collins was employed by GeoResources from April 2007 until its merger with Halcón Resources in August 2012 and directed field operations, including well completion, production, and workover operations.
Prior to employment by GeoResources, he served as Vice President of Operations for Southern Bay, AROC, and Texoil, and as a petroleum and operations engineer at Hunt Oil Company and Pacific Enterprises Oil Company. His experience includes Texas, Louisiana (onshore and offshore), North Dakota, Montana, and the Mid-Continent.
Mr. Collins graduated with a B.S. degree in Petroleum Engineering from the University of Texas.
Prior to employment by Oak Valley, he served from August 2012 to November 2012 as a consultant to Halcón Resources upon its merger with GeoResources in August 2012. From April 2007 to August 2012, Mr. Merrifield led all geology and geophysics efforts at GeoResources. He has held previous roles at AROC, Force Energy, Great Western Resources and other independents. His domestic experience includes Texas, Louisiana (onshore and offshore), North Dakota, Montana, New Mexico, Rocky Mountain states, and the Mid-Continent. In addition, he has international experience in Peru and the East Irish Sea.
Mr. Merrifield attended Texas Tech University.
Prior to employment by Oak Valley, he was employed by GeoResources from April 2007 until its merger with Halcón Resources in August 2012, ultimately serving as an Executive Vice President, Chief Operating Officer–Southern Region.
He has held prior roles at AROC, Texoil, Hampton Resources, Wainoco Oil & Gas Company, Diasu Exploration Company, and Texaco, Inc. His experience extends to all facets of petroleum engineering, including reservoir engineering, drilling and production operations, petroleum economics, geology, geophysics, land, and joint operations.
Geographical areas of experience include Texas and Louisiana (offshore and onshore), North Dakota, Montana, Mid-Continent, Florida, New Mexico, Oklahoma, Wyoming, Pennsylvania, and Michigan.
Mr. Mury graduated from Nicholls State University with a degree in Computer Science.
From 1983 until 1988 and prior to joining Earthstone, Mr. Singleton was the principal of Singleton & Associates, an engineering consulting company serving the operational and engineering needs of approximately 40 small oil and gas clients. During this period, he was engaged by the Company on various projects in south Texas and the Rocky Mountain region.
Mr. Singleton began his career with Amoco Production Company in 1973 as a production engineer in Texas. He was subsequently employed by the predecessor of Union Pacific Resources as a drilling, completion and production engineer from 1980 to 1983. From 1974 to 1980, Mr. Singleton served in the U.S Air Force, where he was a combat qualified fighter pilot in the F-4 Phantom with both nuclear and conventional delivery responsibilities. He attained the rank of captain
As the CEO of a small public company Mr. Singleton gained extensive experience in SEC reporting, compliance, treasury and SOX, along with budgeting and planning, implementing growth initiatives and developing survival strategies through numerous downturns. As a petroleum engineer, his professional experience includes acquisition evaluation and economics, reserve engineering and drilling, completion and production engineering in both Texas and the Rocky Mountain region. In addition, he possesses over 20 years of executive experience and has an intimate knowledge of the Company’s legacy Rocky Mountain and south Texas properties. Mr. Singleton received a B.S. degree in Petroleum Engineering from Texas A&M University in 1973 and received an MBA from Colorado State University’s Executive MBA Program in 1992.