Donald C. Heppermann
Director/Board Member at MARKWEST ENERGY PARTNERS LP
Active connections
| Name | Gender | Age | Linked companies | Collaboration |
|---|---|---|---|---|
| C. Corwin Bromley | M | 66 |
MarkWest Energy GP LLC
 MarkWest Energy GP LLC Oilfield Services/EquipmentIndustrial Services Part of Marathon Petroleum Corp., MarkWest Energy GP LLC is a private company that provides oil and gas field services not elsewhere classified. The company is based in Englewood, CO. The company was founded by John C. Mollenkopf.
MarkWest Hydrocarbon LLC
 MarkWest Hydrocarbon LLC Oilfield Services/EquipmentIndustrial Services MarkWest Hydrocarbon LLC provides natural gas processing services. It also provides transportation, fractionation, and storage of natural gas liquids and transportation of crude oil. The company was founded by John M. Fox in April 1998 and is headquartered in Denver, CO. | 20 years |
| Anne Elizabeth Fox Mounsey | F | 57 |
MarkWest Energy GP LLC
MarkWest Energy GP LLC Oilfield Services/EquipmentIndustrial Services Part of Marathon Petroleum Corp., MarkWest Energy GP LLC is a private company that provides oil and gas field services not elsewhere classified. The company is based in Englewood, CO. The company was founded by John C. Mollenkopf. | 29 years |
| Charles K. Dempster | M | 81 |
Enron Corp.
 Enron Corp. Integrated OilEnergy Minerals Enron Corp. provides energy related services
MarkWest Energy GP LLC
MarkWest Energy GP LLC Oilfield Services/EquipmentIndustrial Services Part of Marathon Petroleum Corp., MarkWest Energy GP LLC is a private company that provides oil and gas field services not elsewhere classified. The company is based in Englewood, CO. The company was founded by John C. Mollenkopf. | 40 years |
| Nancy Buese | F | 54 |
MarkWest Energy GP LLC
MarkWest Energy GP LLC Oilfield Services/EquipmentIndustrial Services Part of Marathon Petroleum Corp., MarkWest Energy GP LLC is a private company that provides oil and gas field services not elsewhere classified. The company is based in Englewood, CO. The company was founded by John C. Mollenkopf.
MarkWest Hydrocarbon LLC
MarkWest Hydrocarbon LLC Oilfield Services/EquipmentIndustrial Services MarkWest Hydrocarbon LLC provides natural gas processing services. It also provides transportation, fractionation, and storage of natural gas liquids and transportation of crude oil. The company was founded by John M. Fox in April 1998 and is headquartered in Denver, CO. | 19 years |
| Donald D. Wolf | M | 80 |
MarkWest Energy GP LLC
MarkWest Energy GP LLC Oilfield Services/EquipmentIndustrial Services Part of Marathon Petroleum Corp., MarkWest Energy GP LLC is a private company that provides oil and gas field services not elsewhere classified. The company is based in Englewood, CO. The company was founded by John C. Mollenkopf. | 16 years |
| William Nicoletti | M | 79 |
MarkWest Energy GP LLC
MarkWest Energy GP LLC Oilfield Services/EquipmentIndustrial Services Part of Marathon Petroleum Corp., MarkWest Energy GP LLC is a private company that provides oil and gas field services not elsewhere classified. The company is based in Englewood, CO. The company was founded by John C. Mollenkopf. | 22 years |
| William A. Bruckmann | M | 72 |
MarkWest Energy GP LLC
MarkWest Energy GP LLC Oilfield Services/EquipmentIndustrial Services Part of Marathon Petroleum Corp., MarkWest Energy GP LLC is a private company that provides oil and gas field services not elsewhere classified. The company is based in Englewood, CO. The company was founded by John C. Mollenkopf. | 10 years |
| Bryan Teets | M | - | - | |
| John Mollenkopf | M | 62 |
MarkWest Energy GP LLC
MarkWest Energy GP LLC Oilfield Services/EquipmentIndustrial Services Part of Marathon Petroleum Corp., MarkWest Energy GP LLC is a private company that provides oil and gas field services not elsewhere classified. The company is based in Englewood, CO. The company was founded by John C. Mollenkopf. | 22 years |
| Robert McHale | M | - | - | |
| Paula L. Rosson | F | 57 |
MarkWest Energy GP LLC
MarkWest Energy GP LLC Oilfield Services/EquipmentIndustrial Services Part of Marathon Petroleum Corp., MarkWest Energy GP LLC is a private company that provides oil and gas field services not elsewhere classified. The company is based in Englewood, CO. The company was founded by John C. Mollenkopf. | - |
| John Paul Elder | M | - | - | |
| Russell Moran | M | - | - | |
| Andrew L. Schroeder | M | 65 |
MarkWest Hydrocarbon LLC
MarkWest Hydrocarbon LLC Oilfield Services/EquipmentIndustrial Services MarkWest Hydrocarbon LLC provides natural gas processing services. It also provides transportation, fractionation, and storage of natural gas liquids and transportation of crude oil. The company was founded by John M. Fox in April 1998 and is headquartered in Denver, CO. | 21 years |
| Roxanne Fowles | F | - | - | |
| Scott J. Garner | M | - | - | |
| David A. Fitch | M | - | - |
Connections Chart
Multi-company connection
Former connections
| Name | Gender | Age | Linked companies | Collaboration |
|---|---|---|---|---|
| Frank Semple | M | 72 |
MarkWest Energy GP LLC
MarkWest Energy GP LLC Oilfield Services/EquipmentIndustrial Services Part of Marathon Petroleum Corp., MarkWest Energy GP LLC is a private company that provides oil and gas field services not elsewhere classified. The company is based in Englewood, CO. The company was founded by John C. Mollenkopf. | 12 years |
| John M. Fox | M | 84 |
MarkWest Energy GP LLC
MarkWest Energy GP LLC Oilfield Services/EquipmentIndustrial Services Part of Marathon Petroleum Corp., MarkWest Energy GP LLC is a private company that provides oil and gas field services not elsewhere classified. The company is based in Englewood, CO. The company was founded by John C. Mollenkopf.
MarkWest Hydrocarbon LLC
MarkWest Hydrocarbon LLC Oilfield Services/EquipmentIndustrial Services MarkWest Hydrocarbon LLC provides natural gas processing services. It also provides transportation, fractionation, and storage of natural gas liquids and transportation of crude oil. The company was founded by John M. Fox in April 1998 and is headquartered in Denver, CO. | 10 years |
| Michael L. Beatty | M | 76 |
MarkWest Hydrocarbon LLC
MarkWest Hydrocarbon LLC Oilfield Services/EquipmentIndustrial Services MarkWest Hydrocarbon LLC provides natural gas processing services. It also provides transportation, fractionation, and storage of natural gas liquids and transportation of crude oil. The company was founded by John M. Fox in April 1998 and is headquartered in Denver, CO.
MarkWest Energy GP LLC
MarkWest Energy GP LLC Oilfield Services/EquipmentIndustrial Services Part of Marathon Petroleum Corp., MarkWest Energy GP LLC is a private company that provides oil and gas field services not elsewhere classified. The company is based in Englewood, CO. The company was founded by John C. Mollenkopf. | 10 years |
| Daniel C. Campbell | M | 53 |
MarkWest Energy GP LLC
MarkWest Energy GP LLC Oilfield Services/EquipmentIndustrial Services Part of Marathon Petroleum Corp., MarkWest Energy GP LLC is a private company that provides oil and gas field services not elsewhere classified. The company is based in Englewood, CO. The company was founded by John C. Mollenkopf. | 6 years |
| Randall J. Larson | M | 66 |
MarkWest Energy GP LLC
MarkWest Energy GP LLC Oilfield Services/EquipmentIndustrial Services Part of Marathon Petroleum Corp., MarkWest Energy GP LLC is a private company that provides oil and gas field services not elsewhere classified. The company is based in Englewood, CO. The company was founded by John C. Mollenkopf. | 4 years |
| William Kellstrom | M | 82 |
MarkWest Energy GP LLC
MarkWest Energy GP LLC Oilfield Services/EquipmentIndustrial Services Part of Marathon Petroleum Corp., MarkWest Energy GP LLC is a private company that provides oil and gas field services not elsewhere classified. The company is based in Englewood, CO. The company was founded by John C. Mollenkopf.
MarkWest Hydrocarbon LLC
MarkWest Hydrocarbon LLC Oilfield Services/EquipmentIndustrial Services MarkWest Hydrocarbon LLC provides natural gas processing services. It also provides transportation, fractionation, and storage of natural gas liquids and transportation of crude oil. The company was founded by John M. Fox in April 1998 and is headquartered in Denver, CO. | 12 years |
| Keith E. Bailey | M | 82 |
MarkWest Energy GP LLC
MarkWest Energy GP LLC Oilfield Services/EquipmentIndustrial Services Part of Marathon Petroleum Corp., MarkWest Energy GP LLC is a private company that provides oil and gas field services not elsewhere classified. The company is based in Englewood, CO. The company was founded by John C. Mollenkopf. | 9 years |
| John Stice | M | 65 |
MarkWest Energy GP LLC
MarkWest Energy GP LLC Oilfield Services/EquipmentIndustrial Services Part of Marathon Petroleum Corp., MarkWest Energy GP LLC is a private company that provides oil and gas field services not elsewhere classified. The company is based in Englewood, CO. The company was founded by John C. Mollenkopf. | 1 years |
| Richard Ostberg | M | 57 |
MarkWest Hydrocarbon LLC
MarkWest Hydrocarbon LLC Oilfield Services/EquipmentIndustrial Services MarkWest Hydrocarbon LLC provides natural gas processing services. It also provides transportation, fractionation, and storage of natural gas liquids and transportation of crude oil. The company was founded by John M. Fox in April 1998 and is headquartered in Denver, CO.
MarkWest Energy GP LLC
MarkWest Energy GP LLC Oilfield Services/EquipmentIndustrial Services Part of Marathon Petroleum Corp., MarkWest Energy GP LLC is a private company that provides oil and gas field services not elsewhere classified. The company is based in Englewood, CO. The company was founded by John C. Mollenkopf. | 2 years |
| Randy S. Nickerson | M | 62 |
MarkWest Energy GP LLC
MarkWest Energy GP LLC Oilfield Services/EquipmentIndustrial Services Part of Marathon Petroleum Corp., MarkWest Energy GP LLC is a private company that provides oil and gas field services not elsewhere classified. The company is based in Englewood, CO. The company was founded by John C. Mollenkopf. | 20 years |
| Arthur J. Denney | M | - | - | |
| Kenneth Lee Lay | M | - |
Enron Corp.
Enron Corp. Integrated OilEnergy Minerals Enron Corp. provides energy related services | 16 years |
| James G. Ivey | M | 72 |
MarkWest Hydrocarbon LLC
MarkWest Hydrocarbon LLC Oilfield Services/EquipmentIndustrial Services MarkWest Hydrocarbon LLC provides natural gas processing services. It also provides transportation, fractionation, and storage of natural gas liquids and transportation of crude oil. The company was founded by John M. Fox in April 1998 and is headquartered in Denver, CO. | 2 years |
| William F. Wallace | M | 84 |
MarkWest Hydrocarbon LLC
MarkWest Hydrocarbon LLC Oilfield Services/EquipmentIndustrial Services MarkWest Hydrocarbon LLC provides natural gas processing services. It also provides transportation, fractionation, and storage of natural gas liquids and transportation of crude oil. The company was founded by John M. Fox in April 1998 and is headquartered in Denver, CO. | 4 years |
| Michael V. Palmeri | M | - | - | |
| David Schulte | M | 63 | 2 years | |
| Daniel L. Dienstbier | M | 83 |
Enron Corp.
Enron Corp. Integrated OilEnergy Minerals Enron Corp. provides energy related services | 3 years |
| Gerald A. Tywoniuk | M | 62 |
MarkWest Hydrocarbon LLC
MarkWest Hydrocarbon LLC Oilfield Services/EquipmentIndustrial Services MarkWest Hydrocarbon LLC provides natural gas processing services. It also provides transportation, fractionation, and storage of natural gas liquids and transportation of crude oil. The company was founded by John M. Fox in April 1998 and is headquartered in Denver, CO. | - |
| K. George Wasaff | M | - |
Enron Corp.
Enron Corp. Integrated OilEnergy Minerals Enron Corp. provides energy related services | 19 years |
| Gregory Floerke | M | 60 | 2 years | |
| Frederick J. Witsell | M | 65 |
MarkWest Hydrocarbon LLC
MarkWest Hydrocarbon LLC Oilfield Services/EquipmentIndustrial Services MarkWest Hydrocarbon LLC provides natural gas processing services. It also provides transportation, fractionation, and storage of natural gas liquids and transportation of crude oil. The company was founded by John M. Fox in April 1998 and is headquartered in Denver, CO. | 4 years |
| Michael Leroy Green | M | - |
Enron Corp.
Enron Corp. Integrated OilEnergy Minerals Enron Corp. provides energy related services | 8 years |
| Roderick J. Hayslett | M | - |
Enron Corp.
Enron Corp. Integrated OilEnergy Minerals Enron Corp. provides energy related services | 25 years |
| Brenda Crockett | F | - |
Enron Corp.
Enron Corp. Integrated OilEnergy Minerals Enron Corp. provides energy related services | - |
| David Lee Young | M | 63 |
MarkWest Energy GP LLC
MarkWest Energy GP LLC Oilfield Services/EquipmentIndustrial Services Part of Marathon Petroleum Corp., MarkWest Energy GP LLC is a private company that provides oil and gas field services not elsewhere classified. The company is based in Englewood, CO. The company was founded by John C. Mollenkopf. | - |
| Austin David | M | - | - |
Statistics
| Country | Connections | % of total |
|---|---|---|
| United States | 43 | 100.00% |
Age of Connections
Active
Past
Male
Female
Members of the board
Executives
Origin of connections
- Stock Market
- Insiders
- Donald C. Heppermann
- Personal Network
