Donald C. Heppermann
Director/Board Member at MARKWEST ENERGY PARTNERS LP
Network origin in Donald C. Heppermann first degree
| Entity | Entity type | Industry | |
|---|---|---|---|
| Subsidiary | Oil & Gas Pipelines | 31 | |
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
| Subsidiary | Oilfield Services/Equipment | 20 |
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.
11
| Subsidiary | Oilfield Services/Equipment | 11 |
Enron Corp.
 Enron Corp. Integrated OilEnergy Minerals Enron Corp. provides energy related services
7
| Extinct | Integrated Oil | 7 |
| Public Company | Electric Utilities | 1 |
Chart of Companies connected to the second degree
Multi-company connection
Companies connected to Donald C. Heppermann via their personal network
| Company | Sector | Related people | Main position |
|---|---|---|---|
| NEWMONT CORPORATION | Precious Metals | Comptroller/Controller/Auditor Director of Finance/CFO | |
Western Gas Resources, Inc.
 Western Gas Resources, Inc. Integrated OilEnergy Minerals Western Gas Resources, Inc. used to explore natural gas and natural gas liquids. It engaged in the exploration, development, production, gathering, processing, treatment, transportation and marketing of natural gas and natural gas liquids. It operated through four segments: Gas Gathering, Processing and Treating, Exploration and Production, Marketing and Transportation. Western Gas Resources, Inc. was founded in 1989 and was headquartered in Denver, CO. | Integrated Oil | Founder Corporate Officer/Principal | |
| WILLIAMS COMPANIES | Oil & Gas Pipelines | Corporate Officer/Principal Director of Finance/CFO Corporate Officer/Principal Chief Executive Officer Director/Board Member | |
| DENBURY INC. | Integrated Oil | Director/Board Member Director/Board Member | |
NGL TM LLC
 NGL TM LLC Wholesale DistributorsDistribution Services NGL TM LLC markets and distributes petroleum products. Its products include unbranded gasoline, diesel fuel, heating oil, marine fuels, jet fuels, crude oil, natural gas, residual fuel oils, chemicals, and fertilizers. The company was founded by Cortlandt S. Dietler in 1981 and is headquartered in Denver, CO. | Wholesale Distributors | Director of Finance/CFO Corporate Officer/Principal | |
Chevron U.S.A., Inc.
 Chevron U.S.A., Inc. Integrated OilEnergy Minerals Chevron USA, Inc. provides petroleum refining services and operates gasoline stations. It produces and transports crude oil and natural gas. The company was founded in 1984 and is headquartered in San Ramon, CA. | Integrated Oil | Corporate Officer/Principal | |
| University of Nebraska | College/University | Masters Business Admin Undergraduate Degree | |
Ernst & Young LLP
 Ernst & Young LLP Miscellaneous Commercial ServicesCommercial Services Ernst & Young LLP engages in the provision of accounting, assurance, tax, transaction, and advisory services. It specializes in the actuarial, analytics and big data, cyber security, accounting compliance and reporting, center for board matters, international financial reporting standards, country tax advisory, global trade, tax accounting, and climate change and sustainability. The company was founded in 1989 and is headquartered in New York, NY. | Miscellaneous Commercial Services | Corporate Officer/Principal Corporate Officer/Principal | |
MPLX GP LLC
 MPLX GP LLC Oil & Gas PipelinesIndustrial Services MPLX GP LLC owns, operates, develops and acquires pipelines for petroleum and energy industries. The company is headquartered in Findlay, OH. | Oil & Gas Pipelines | Director/Board Member General Counsel Chief Operating Officer Director/Board Member Corporate Officer/Principal Chief Operating Officer Comptroller/Controller/Auditor Director of Finance/CFO Director/Board Member | |
| MPLX LP | Oil & Gas Pipelines | Director/Board Member General Counsel Chief Operating Officer Director/Board Member Corporate Officer/Principal Chief Operating Officer Comptroller/Controller/Auditor Director of Finance/CFO Director/Board Member | |
| University of Denver | College/University | Graduate Degree Undergraduate Degree Masters Business Admin | |
WilTel Communications LLC
 WilTel Communications LLC Specialty TelecommunicationsCommunications Wiltel Communications Group, Inc. provides customized communications solutions to enterprises, and federal government. The company was founded by Robert D. Williams and is headquartered in Tulsa, OK. | Specialty Telecommunications | Corporate Officer/Principal Chief Operating Officer Chairman | |
| MARATHON PETROLEUM CORPORATION | Oil Refining/Marketing | Director/Board Member Corporate Officer/Principal Director/Board Member | |
| Stanford University | College/University | Graduate Degree Graduate Degree | |
| The University of Colorado | College/University | Undergraduate Degree Graduate Degree | |
KPMG LLP
 KPMG LLP Miscellaneous Commercial ServicesCommercial Services KPMG LLP engages in the provision of audit, tax, and advisory services. It serves the banking and capital markets, building, construction and real estate, consumer and retail, energy, natural resources and chemicals, financial services, government and public sector, healthcare and life sciences, industrial manufacturing, insurance, media and entertainment, private equity, technology, telecommunications, and venture capital industries. The company was founded in 1987 and is headquartered in New York, NY. | Miscellaneous Commercial Services | Corporate Officer/Principal Corporate Officer/Principal | |
Third Coast Midstream Holdings LLC
 Third Coast Midstream Holdings LLC Financial ConglomeratesFinance Part of High Point Infrastructure Partners LLC, Third Coast Midstream Holdings LLC is a private company that provides investment services. The company is based in Denver, CO. Third Coast Midstream Holdings was acquired by High Point Infrastructure Partners LLC on April 15, 2013. Louis J. Dorey has been the CEO of the company since 2019. | Financial Conglomerates | Director/Board Member Director of Finance/CFO | |
University of Houston
 University of Houston Other Consumer ServicesConsumer Services University of Houston System offers higher education degrees and job training or vocational study programs. It offers about 280 undergraduate and graduate degree programs in fields such as business, education, humanities and law. It was founded in 1927 and is headquartered in Houston, TX. | College/University | Masters Business Admin Undergraduate Degree | |
| Texas A&M University | College/University | Undergraduate Degree Undergraduate Degree | |
| AMERICAN MIDSTREAM PARTNERS LP | Oil & Gas Pipelines | Director/Board Member Director of Finance/CFO | |
| XCEL ENERGY INC. | Electric Utilities | Corporate Officer/Principal Corporate Officer/Principal | |
| University of Iowa | College/University | Graduate Degree Graduate Degree | |
| University of California, Berkeley | College/University | Undergraduate Degree Undergraduate Degree | |
| Colorado School of Mines | College/University | Undergraduate Degree Undergraduate Degree | |
Tenaska Marketing Ventures, Inc.
 Tenaska Marketing Ventures, Inc. Oil & Gas ProductionEnergy Minerals Tenaska Marketing Ventures, Inc. develops, constructs, owns, and operates non-utility generation and cogeneration plants. It offers natural gas, biofuels, and electric power. The firm offers risk management services in asset acquisition and management, power marketing, fuel supply, gas transportation systems, biofuels marketing, and electric transmission development. The company was founded by Howard L. Hawks, Thomas E. Hendricks, and William A. Kellstrom in 1987 and is headquartered in Omaha, NE. | Oil & Gas Production | Founder | |
| DEP Holdings LLC | Director/Board Member | ||
Westmoreland Resources GP LLC
 Westmoreland Resources GP LLC CoalEnergy Minerals Westmoreland Resources GP LLC engages in the production of steamed and surface mined coal. It also operates as a general partner to the company Westmoreland Resource Partners LP. The company is headquartered in Columbus, OH. | Coal | Director/Board Member | |
| MAGELLAN MIDSTREAM PARTNERS, L.P. | Oil & Gas Pipelines | Director/Board Member | |
| WESTMORELAND RESOURCE PARTNERS, LP | Coal | Chief Executive Officer | |
Duncan Energy Partners LP
 Duncan Energy Partners LP Wholesale DistributorsDistribution Services Duncan Energy Partners LP acquires, owns, and operates a diversified portfolio of midstream energy assets. It engages in the businesses of natural gas liquids, transportation, petrochemical and refined products, and fractionation and marketing. The company was founded by Dan L. Duncan in September 2006 and is headquartered in Dallas, TX. | Wholesale Distributors | Director/Board Member | |
| LANDMARK INFRASTRUCTURE PARTNERS LP | Real Estate Development | Director/Board Member | |
| ANTERO MIDSTREAM CORPORATION | Oil & Gas Pipelines | Director/Board Member | |
| ANTERO MIDSTREAM PARTNERS LP | Oil & Gas Pipelines | Director/Board Member | |
Arco Oil & Gas Co.
 Arco Oil & Gas Co. Industrial SpecialtiesProcess Industries Part of Arco Alaska, Inc., Arco Oil & Gas Co. is a private company that produces and sells oil and gas. The company is based in Plano, TX. | Industrial Specialties | Corporate Officer/Principal | |
| Colorado State University | College/University | Undergraduate Degree |
Statistics
International
| United States | 42 |
Sectoral
| Energy Minerals | 11 |
| Consumer Services | 11 |
| Industrial Services | 9 |
| Finance | 5 |
| Distribution Services | 3 |
Operational
| Director/Board Member | 154 |
| Corporate Officer/Principal | 100 |
| Independent Dir/Board Member | 61 |
| Director of Finance/CFO | 41 |
| President | 34 |
Most connected contacts
| Insiders | |
|---|---|
| John Stice | 33 |
| Donald D. Wolf | 30 |
| David Schulte | 27 |
| James G. Ivey | 21 |
| Frank Semple | 20 |
| Keith E. Bailey | 18 |
| William Nicoletti | 18 |
| Michael L. Beatty | 16 |
| Gerald A. Tywoniuk | 16 |
| Randall J. Larson | 15 |
| Nancy Buese | 15 |
| William F. Wallace | 12 |
| Gregory Floerke | 11 |
| Randy S. Nickerson | 11 |
| Daniel L. Dienstbier | 10 |
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