![Thomas D. Sheffield](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
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
 American Association of Petroleum Geologists Miscellaneous Commercial ServicesCommercial Services Operates as a technical and professional organizations for energy leaders | Corporate Officer/Principal | - |
Former positions of Thomas D. Sheffield
| Companies | Position | End |
|---|---|---|
| PIONEER NATURAL RESOURCES COMPANY | Corporate Officer/Principal | 01/07/2019 |
Colorado Oil & Gas Association
 Colorado Oil & Gas Association Oil & Gas ProductionEnergy Minerals Engages in exploration and production of oil and gas | Chairman | - |
Western Energy Alliance
 Western Energy Alliance Miscellaneous Commercial ServicesCommercial Services Operates natural gas and oil producers trade association | Chairman | - |
Training of Thomas D. Sheffield
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
63
1st degree connections
5
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 5 |
|---|---|
Pioneer Natural Resources Co.
 Pioneer Natural Resources Co. Integrated OilEnergy Minerals Develops low-cost and carbon-intensity oil and natural gas | Energy Minerals |
Colorado Oil & Gas Association
Colorado Oil & Gas Association Oil & Gas ProductionEnergy Minerals Engages in exploration and production of oil and gas | Energy Minerals |
American Association of Petroleum Geologists
American Association of Petroleum Geologists Miscellaneous Commercial ServicesCommercial Services Operates as a technical and professional organizations for energy leaders | Commercial Services |
The University of Texas of the Permian Basin
 The University of Texas of the Permian Basin Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Western Energy Alliance
Western Energy Alliance Miscellaneous Commercial ServicesCommercial Services Operates natural gas and oil producers trade association | Commercial Services |
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