Thomas D. Sheffield
Corporate Officer/Principal at American Association of Petroleum Geologists
Profile
Thomas D.
Sheffield currently works at American Association of Petroleum Geologists, as Member.
Mr. Sheffield also formerly worked at Colorado Oil & Gas Association, as Director, Western Energy Alliance, as Director, and Pioneer Natural Resources Co., as Vice President-Health, Safety & Environment from 1992 to 2019.
Mr. Sheffield received his undergraduate degree and graduate degree from The University of Texas of the Permian Basin.
Thomas D. Sheffield active positions
| Companies | Position | Start |
|---|---|---|
| American Association of Petroleum Geologists | Corporate Officer/Principal | - |
Former positions of Thomas D. Sheffield
| Companies | Position | End |
|---|---|---|
| PIONEER NATURAL RESOURCES COMPANY | Corporate Officer/Principal | 2019-06-30 |
Colorado Oil & Gas Association
 Colorado Oil & Gas Association Oil & Gas ProductionEnergy Minerals Colorado Oil & Gas Association engages in the exploration and production of oil and gas. The private company is based in Denver, CO. The company was founded by Anthony W. Sharp. Dan Haley has been the CEO of the company since 2015. | Chairman | - |
Western Energy Alliance
 Western Energy Alliance Miscellaneous Commercial ServicesCommercial Services Western Energy Alliance is a nonprofit trade association based in Denver, CO, representing 300 companies engaged in environmentally responsible exploration and production of oil and natural gas in the west. The company believes in the principle of multiple use of non-park, non-wilderness public lands and has consistently stressed the importance of public lands advocacy over many years. The company is an advocacy organization promoting the best practices in the industry. | Chairman | - |
Training of Thomas D. Sheffield
| The University of Texas of the Permian Basin | Graduate Degree |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 4 |
|---|---|
Pioneer Natural Resources Co.
 Pioneer Natural Resources Co. Oil & Gas ProductionEnergy Minerals Pioneer Natural Resources Co. operates as an independent oil and gas exploration and production company. The firm engages in hydrocarbon exploration in the Cline Shale. It focuses on the operation of the Permian Basin, Eagle Ford Shale, Rockies, and West Panhandle projects. The company was founded by Scott Douglas Sheffield on April 2, 1997, and is headquartered in Irving, TX. | Energy Minerals |
Western Energy Alliance
Western Energy Alliance Miscellaneous Commercial ServicesCommercial Services Western Energy Alliance is a nonprofit trade association based in Denver, CO, representing 300 companies engaged in environmentally responsible exploration and production of oil and natural gas in the west. The company believes in the principle of multiple use of non-park, non-wilderness public lands and has consistently stressed the importance of public lands advocacy over many years. The company is an advocacy organization promoting the best practices in the industry. | Commercial Services |
Colorado Oil & Gas Association
Colorado Oil & Gas Association Oil & Gas ProductionEnergy Minerals Colorado Oil & Gas Association engages in the exploration and production of oil and gas. The private company is based in Denver, CO. The company was founded by Anthony W. Sharp. Dan Haley has been the CEO of the company since 2015. | Energy Minerals |
| American Association of Petroleum Geologists |
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