Please take a moment to acquaint yourself with our Board of Directors. Our directors and officers are dedicated to the continued growth and success of the Company. The result is a Unit that is efficient and capable of handling the demands of a growing company.

Board of Directors

J.Michael Adcock has served on the board of directors since 1997. He was elected the Chairman of the Board in December 2016. Mr. Adcock has been a licensed attorney since 1974, and has served since 1997 as co-trustee of the Don Bodard Trust, a private business trust dealing in real estate, oil and natural gas investments, and other equity investments. Mr. Adcock is also Chairman of the Board of the privately-owned Arvest Bank, Shawnee, Oklahoma. He is also a director, finance committee member, compensation committee chair and chairman of the board of the nonprofit Avedis Foundation (successor to Community Health Partners, Inc.). Mr. Adcock has been a co-owner of Central Disposal, LLC, a solid waste management company with operations in central Oklahoma, since 2009, and was elected as Chairman of the Board in 2014. Between 1997 and September 1998, Mr. Adcock served as Chairman of the Board of Ameribank, President and CEO of American National Bank and Trust Company of Shawnee, Oklahoma, and Chairman of AmeriTrust Corporation, Tulsa, Oklahoma. Before 1997, Mr. Adcock was engaged in the private practice of law and served as General Counsel for Ameribank Corporation. Mr. Adcock holds a BS degree in business administration from Oklahoma State University, and a juris doctorate from the University of Oklahoma College of Law.

Mr. Christopher joined the board of directors in 2005. He is engaged in personal investing and consulting services and has been since he retired in 2004 from PetroCorp Incorporated, a public oil and natural gas exploration company. Mr. Christopher served as President and CEO of PetroCorp from 1999 until his 2004 retirement. From March 1996 to August 1999 he served as the Acquisition Coordinator of Kaiser-Francis Oil Company. His other past professional experience includes serving as Vice President of Acquisitions for Indian Wells Oil Company, Senior Vice President and Manager of the Energy Lending Division of First National Bank of Tulsa, and from 1991 to 1996 Senior Vice President and Manager of Energy Lending for Bank of Oklahoma. Previous to that, Mr. Christopher worked for Amerada Hess Corporation as a Reservoir Engineer and for Texaco, Inc. as a Production Engineer. He currently serves as an advisory director of Commerce Bank, Tulsa, part of Commerce Bancshares. Mr. Christopher received a B.S. degree in petroleum engineering from the University of Missouri, Rolla, and he is a member of the Society of Petroleum Engineers and the Oklahoma Independent Petroleum Association.

Mr. Hildebrand joined the board of directors in 2008. He is engaged in personal investing and has been since he retired in 2008 from Dollar Thrifty Automotive Group, Inc., a car rental business where he had served as Executive Vice President and Chief Financial Officer since 1997. Prior to that, Mr. Hildebrand served as Executive Vice President and Chief Financial Officer of Thrifty Rent-A-Car System, Inc., a subsidiary of Dollar Thrifty. Mr. Hildebrand joined Thrifty Rent-A-Car System, Inc. in 1987 as Vice President and Treasurer and became Chief Financial Officer in 1989. Mr. Hildebrand was with Franklin Supply Company, an oilfield supply business, from 1980 to 1987 where he held several positions including Controller and Vice President of Finance. From 1976 to 1980, Mr. Hildebrand was with the accounting firm Coopers & Lybrand, most recently as Audit Supervisor. Mr. Hildebrand earned a BSBA degree in accounting from Oklahoma State University, and he is a certified public accountant.

Ms. Mashinski joined the board of directors in August 2015. From July 2015 to present, she has served as Chief Financial Officer for Cameron LNG, a liquefied natural gas terminal near the Gulf of Mexico. From September 2014 to July 2015, she served as Chief Financial Officer and Vice President of Finance and Information Management for the North American operation of SASOL, an international integrated energy company. From 2008 to 2014, Ms. Mashinski was employed by SBM Offshore, Inc., serving as Vice President of Finance and Administration, U.S. Chief Financial Officer from 2008 to February 2014, and as Commercial and Contracts Manager from February to August 2014. She served as Vice President and Chief Accounting Officer and Controller of Gulfmark Offshore from 2004 to 2008. Prior to that, Ms. Mashinski held various finance and accounting positions for Duke Energy (1999 - 2004) and Shell Oil Company (1985-1998) or affiliated companies. Ms. Mashinski is a certified public accountant, certified management accountant, and a certified project management professional with a B.S. degree in accounting from the University of Tennessee, Knoxville and an Executive M.B.A. from the University of Texas, Dallas.

Mr. Morgan joined the board of directors in 1988. He is engaged in personal investments and has been since he retired in June 2007. At the time of his retirement, Mr. Morgan was serving as Executive Vice President and General Counsel of St. John Health System, Inc., Tulsa, Oklahoma, and President of its principal for-profit subsidiary Utica Services, Inc., positions he had held since 1995. Prior to joining St. John, Mr. Morgan was engaged in the private practice of law at the Tulsa, Oklahoma firm of Doerner, Saunders, Daniel & Anderson, and he served as an adjunct law professor at the University of Tulsa, where he taught Securities law. In 1968 and 1969, Mr. Morgan served as a United States Army Officer in Vietnam. He has an undergraduate degree from Muhlenberg College, Allentown, Pennsylvania and a juris doctorate from the University of Tulsa College of Law.

Mr. Payne joined the board of directors in 2011. He is President and Chief Executive Officer of LESA and Associates, LLC, a private investment and consulting firm, a position he has held since he started that firm in June of 2011. From December 1, 2012 to September 8, 2013, Mr. Payne also served as Interim President of Magnum NGLs, LLC, a private company engaged in natural gas liquids storage in Delta, Utah. From April 2010 to April 2011, Mr. Payne served as President and Chief Operating Officer of Lansing NGL Services Natural Gas Liquids Division, a division of Lansing Trade Group, LLC, a commodities trading company located in Overland Park, Kansas. From August 2009 to April 2010, he provided energy consulting services to private clients interested in the midstream energy business. From 2003 until August 2009 Mr. Payne served as President and Chief Operating Officer of SemStream, L.P., a midstream energy company engaged in natural gas liquids supply and marketing. Before joining SemStream, Mr. Payne served as Vice President of Commodity Management for Williams Midstream Marketing and Risk Management, LLC, and before that he served as Vice President of Natural Gas Liquids Supply, Trading and Risk Management for Texaco NGL. During his earlier years of service, Mr. Payne held numerous other positions in the energy industry including executive positions with Enterprise Products, Aux Sable Liquid Products, and Ferrellgas. He currently serves on the board of directors and audit committee of Buckeye Partners GP, LLC, general partner of the NYSE-listed limited partner Buckeye Partners, LP, as well as serving on the boards of three nonprofit organizations. Mr. Payne received a B.S. in business administration from Grambling State University, and an MBA from Texas Southern University with a concentration in finance and economics.

Mr. Peyton joined the board of directors in 2011. Since 1985, Mr. Peyton has been President of Peyton Holdings Corporation (formerly Peyton Oil and Gas), a Canadian, Texas company he formed in 1985 for purposes of buying land, minerals, and royalties. Since 2009, he has owned and served as President and managing member of Perryton Feeders, LLC, a cattle feeding business in Perryton, Texas. Also since 2009, Mr. Peyton has owned and served as President of Cuatro Cattle Company, a cattle ranching operation in Canadian, Texas. Since 2007, Mr. Peyton has served as President and co-owner of Upland Resources, LLC, a Canadian, Texas oil and gas exploration company that began actively drilling in the Texas Panhandle in 2012. From 1984 to 2007, he served as President of Upland Resources, Inc., an oil and natural gas exploration company he founded and later sold. Mr. Peyton currently serves on the board of directors of Happy State Bank in Amarillo, Texas, and The Citadelle Art Foundation in Canadian, Texas. He is a past President of the Panhandle Association of Landmen, Amarillo, Texas. Mr. Peyton holds a BS degree in ranch management from Texas Christian University.

Mr. Pinkston joined the board of directors in 2004, and has been employed by the company since 1981. He has served as the company’s President since August 2003, as its Chief Operating Officer since February 2004, and as its Chief Executive Officer since April 2005. Before being appointed President in 2003, Mr. Pinkston served the company in numerous other positions, including as Corporate Budget Director, Assistant Controller, and Controller. He served as Treasurer from 1986 to 2003, and from May 1989 to August 2003, he also served as Vice President and Chief Financial Officer. Mr. Pinkston holds an accounting degree from East Central University of Oklahoma.

Mr. Sullivan joined the board of directors in 2005. He is, and since 1975 has been, a Principal with Sullivan and Company LLC, a family-owned independent oil and natural gas exploration and production company founded in 1958, and he has served as a manager of that company since approximately 1995. He is also the Founder (1989) of Lumen Energy Corporation, serving as its Chairman and CEO from inception to the time of its sale in 2004. Mr. Sullivan was appointed to Oklahoma Governor Frank Keating's Cabinet as Secretary of Energy in March 2002. He received a BBA from the University of Notre Dame, and a MBA from the University of Michigan.

 


J. Michael Adcock


J.Michael Adcock has served on the board of directors since 1997. He was elected the Chairman of the Board in December 2016. Mr. Adcock has been a licensed attorney since 1974, and has served since 1997 as co-trustee of the Don Bodard Trust, a private business trust dealing in real estate, oil and natural gas investments, and other equity investments. Mr. Adcock is also Chairman of the Board of the privately-owned Arvest Bank, Shawnee, Oklahoma. He is also a director, finance committee member, compensation committee chair and chairman of the board of the nonprofit Avedis Foundation (successor to Community Health Partners, Inc.). Mr. Adcock has been a co-owner of Central Disposal, LLC, a solid waste management company with operations in central Oklahoma, since 2009, and was elected as Chairman of the Board in 2014. Between 1997 and September 1998, Mr. Adcock served as Chairman of the Board of Ameribank, President and CEO of American National Bank and Trust Company of Shawnee, Oklahoma, and Chairman of AmeriTrust Corporation, Tulsa, Oklahoma. Before 1997, Mr. Adcock was engaged in the private practice of law and served as General Counsel for Ameribank Corporation. Mr. Adcock holds a BS degree in business administration from Oklahoma State University, and a juris doctorate from the University of Oklahoma College of Law.

Gary R. Christopher


Mr. Christopher joined the board of directors in 2005. He is engaged in personal investing and consulting services and has been since he retired in 2004 from PetroCorp Incorporated, a public oil and natural gas exploration company. Mr. Christopher served as President and CEO of PetroCorp from 1999 until his 2004 retirement. From March 1996 to August 1999 he served as the Acquisition Coordinator of Kaiser-Francis Oil Company. His other past professional experience includes serving as Vice President of Acquisitions for Indian Wells Oil Company, Senior Vice President and Manager of the Energy Lending Division of First National Bank of Tulsa, and from 1991 to 1996 Senior Vice President and Manager of Energy Lending for Bank of Oklahoma. Previous to that, Mr. Christopher worked for Amerada Hess Corporation as a Reservoir Engineer and for Texaco, Inc. as a Production Engineer. He currently serves as an advisory director of Commerce Bank, Tulsa, part of Commerce Bancshares. Mr. Christopher received a B.S. degree in petroleum engineering from the University of Missouri, Rolla, and he is a member of the Society of Petroleum Engineers and the Oklahoma Independent Petroleum Association.

Steven B. Hildebrand


Mr. Hildebrand joined the board of directors in 2008. He is engaged in personal investing and has been since he retired in 2008 from Dollar Thrifty Automotive Group, Inc., a car rental business where he had served as Executive Vice President and Chief Financial Officer since 1997. Prior to that, Mr. Hildebrand served as Executive Vice President and Chief Financial Officer of Thrifty Rent-A-Car System, Inc., a subsidiary of Dollar Thrifty. Mr. Hildebrand joined Thrifty Rent-A-Car System, Inc. in 1987 as Vice President and Treasurer and became Chief Financial Officer in 1989. Mr. Hildebrand was with Franklin Supply Company, an oilfield supply business, from 1980 to 1987 where he held several positions including Controller and Vice President of Finance. From 1976 to 1980, Mr. Hildebrand was with the accounting firm Coopers & Lybrand, most recently as Audit Supervisor. Mr. Hildebrand earned a BSBA degree in accounting from Oklahoma State University, and he is a certified public accountant.

Carla Mashinski


Ms. Mashinski joined the board of directors in August 2015. From July 2015 to present, she has served as Chief Financial Officer for Cameron LNG, a liquefied natural gas terminal near the Gulf of Mexico. From September 2014 to July 2015, she served as Chief Financial Officer and Vice President of Finance and Information Management for the North American operation of SASOL, an international integrated energy company. From 2008 to 2014, Ms. Mashinski was employed by SBM Offshore, Inc., serving as Vice President of Finance and Administration, U.S. Chief Financial Officer from 2008 to February 2014, and as Commercial and Contracts Manager from February to August 2014. She served as Vice President and Chief Accounting Officer and Controller of Gulfmark Offshore from 2004 to 2008. Prior to that, Ms. Mashinski held various finance and accounting positions for Duke Energy (1999 - 2004) and Shell Oil Company (1985-1998) or affiliated companies. Ms. Mashinski is a certified public accountant, certified management accountant, and a certified project management professional with a B.S. degree in accounting from the University of Tennessee, Knoxville and an Executive M.B.A. from the University of Texas, Dallas.

William B. Morgan


Mr. Morgan joined the board of directors in 1988. He is engaged in personal investments and has been since he retired in June 2007. At the time of his retirement, Mr. Morgan was serving as Executive Vice President and General Counsel of St. John Health System, Inc., Tulsa, Oklahoma, and President of its principal for-profit subsidiary Utica Services, Inc., positions he had held since 1995. Prior to joining St. John, Mr. Morgan was engaged in the private practice of law at the Tulsa, Oklahoma firm of Doerner, Saunders, Daniel & Anderson, and he served as an adjunct law professor at the University of Tulsa, where he taught Securities law. In 1968 and 1969, Mr. Morgan served as a United States Army Officer in Vietnam. He has an undergraduate degree from Muhlenberg College, Allentown, Pennsylvania and a juris doctorate from the University of Tulsa College of Law.

Larry C. Payne


Mr. Payne joined the board of directors in 2011. He is President and Chief Executive Officer of LESA and Associates, LLC, a private investment and consulting firm, a position he has held since he started that firm in June of 2011. From December 1, 2012 to September 8, 2013, Mr. Payne also served as Interim President of Magnum NGLs, LLC, a private company engaged in natural gas liquids storage in Delta, Utah. From April 2010 to April 2011, Mr. Payne served as President and Chief Operating Officer of Lansing NGL Services Natural Gas Liquids Division, a division of Lansing Trade Group, LLC, a commodities trading company located in Overland Park, Kansas. From August 2009 to April 2010, he provided energy consulting services to private clients interested in the midstream energy business. From 2003 until August 2009 Mr. Payne served as President and Chief Operating Officer of SemStream, L.P., a midstream energy company engaged in natural gas liquids supply and marketing. Before joining SemStream, Mr. Payne served as Vice President of Commodity Management for Williams Midstream Marketing and Risk Management, LLC, and before that he served as Vice President of Natural Gas Liquids Supply, Trading and Risk Management for Texaco NGL. During his earlier years of service, Mr. Payne held numerous other positions in the energy industry including executive positions with Enterprise Products, Aux Sable Liquid Products, and Ferrellgas. He currently serves on the board of directors and audit committee of Buckeye Partners GP, LLC, general partner of the NYSE-listed limited partner Buckeye Partners, LP, as well as serving on the boards of three nonprofit organizations. Mr. Payne received a B.S. in business administration from Grambling State University, and an MBA from Texas Southern University with a concentration in finance and economics.

G. Bailey Peyton


Mr. Peyton joined the board of directors in 2011. Since 1985, Mr. Peyton has been President of Peyton Holdings Corporation (formerly Peyton Oil and Gas), a Canadian, Texas company he formed in 1985 for purposes of buying land, minerals, and royalties. Since 2009, he has owned and served as President and managing member of Perryton Feeders, LLC, a cattle feeding business in Perryton, Texas. Also since 2009, Mr. Peyton has owned and served as President of Cuatro Cattle Company, a cattle ranching operation in Canadian, Texas. Since 2007, Mr. Peyton has served as President and co-owner of Upland Resources, LLC, a Canadian, Texas oil and gas exploration company that began actively drilling in the Texas Panhandle in 2012. From 1984 to 2007, he served as President of Upland Resources, Inc., an oil and natural gas exploration company he founded and later sold. Mr. Peyton currently serves on the board of directors of Happy State Bank in Amarillo, Texas, and The Citadelle Art Foundation in Canadian, Texas. He is a past President of the Panhandle Association of Landmen, Amarillo, Texas. Mr. Peyton holds a BS degree in ranch management from Texas Christian University.

Larry D. Pinkston


Mr. Pinkston joined the board of directors in 2004, and has been employed by the company since 1981. He has served as the company’s President since August 2003, as its Chief Operating Officer since February 2004, and as its Chief Executive Officer since April 2005. Before being appointed President in 2003, Mr. Pinkston served the company in numerous other positions, including as Corporate Budget Director, Assistant Controller, and Controller. He served as Treasurer from 1986 to 2003, and from May 1989 to August 2003, he also served as Vice President and Chief Financial Officer. Mr. Pinkston holds an accounting degree from East Central University of Oklahoma.

Robert J. Sullivan, Jr.


Mr. Sullivan joined the board of directors in 2005. He is, and since 1975 has been, a Principal with Sullivan and Company LLC, a family-owned independent oil and natural gas exploration and production company founded in 1958, and he has served as a manager of that company since approximately 1995. He is also the Founder (1989) of Lumen Energy Corporation, serving as its Chairman and CEO from inception to the time of its sale in 2004. Mr. Sullivan was appointed to Oklahoma Governor Frank Keating's Cabinet as Secretary of Energy in March 2002. He received a BBA from the University of Notre Dame, and a MBA from the University of Michigan.

 

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