John Weinzierl
Chairman at U.S. ENERGY CORP.
Net worth: 10 M $ as of 30/04/2024
Network origin in John Weinzierl first degree
| Entity | Entity type | Industry | |
|---|---|---|---|
Enron Corp.
 Enron Corp. Integrated OilEnergy Minerals Enron Corp. provides energy related services
26
| Extinct | Integrated Oil | 26 |
Eagle Rock Energy G&P LLC
 Eagle Rock Energy G&P LLC Investment Trusts/Mutual FundsMiscellaneous Part of Grizzly Energy LLC, Eagle Rock Energy G & P LLC is a company based in Houston, TX. Scott W. Smith has been the CEO of the company since 2015.
21
| Subsidiary | Investment Trusts/Mutual Funds | 21 |
Memorial Production Partners GP LLC
 Memorial Production Partners GP LLC Oilfield Services/EquipmentIndustrial Services Memorial Production Partners GP LLC owns and operates natural gas properties. The company is headquartered in Houston, TX.
20
| Subsidiary | Oilfield Services/Equipment | 20 |
| Subsidiary | Oil & Gas Production | 14 | |
Episcopal High School
14
| Private Company | 14 | |
| Public Company | Oil & Gas Production | 13 | |
Memorial Resource Development LLC
 Memorial Resource Development LLC Oil & Gas ProductionEnergy Minerals Memorial Resource Development LLC operated as a crude petroleum and natural gas extraction company. The company was founded on October 26, 2011 and was headquartered in Houston, TX.
11
| Extinct | Oil & Gas Production | 11 |
NGP Energy Capital Management, LLC
 NGP Energy Capital Management, LLC Financial ConglomeratesFinance NGP Energy Capital Management LLC operates as a private equity firm in the natural resources industry. It considers investment in companies specializing in the oil and gas acquisitions and exploitation; oil and gas development drilling; midstream acquisitions and development opportunities; and oil and gas minerals and royalties. The company was founded by Kenneth Alfredo Hersh and David Russell Albin in 1988 and is headquartered in Dallas, TX.
10
| Private Company | Financial Conglomerates | 10 |
Eagle Rock Pipeline LP
4
| Extinct | Oil & Gas Pipelines | 4 |
Eagle Rock Energy, Inc.
3
| Extinct | Gas Distributors | 3 |
TRVL Partners GP LLC
 TRVL Partners GP LLC Financial ConglomeratesFinance Part of Range Resources Corp., TRVL Partners GP LLC is a company that provides investment services. The company is based in Houston, TX. John A. Weinzierl has been the CEO of the company since 2014.
3
| Subsidiary | Financial Conglomerates | 3 |
The Cockrell School of Engineering
3
| College/University | Other Consumer Services | 3 |
Chart of Companies connected to the second degree
Multi-company connection
Companies connected to John Weinzierl via their personal network
| Company | Sector | Related people | Main position |
|---|---|---|---|
| PIONEER NATURAL RESOURCES COMPANY | Oil & Gas Production | Comptroller/Controller/Auditor Chief Tech/Sci/R&D Officer Director/Board Member | |
Black Stone Minerals Co. LP
 Black Stone Minerals Co. LP Other Metals/MineralsNon-Energy Minerals Black Stone Minerals Co. LP operates as a fee mineral and royalty owner. Its services include leasing minerals to exploration and production companies and acquiring additional gas or oil properties for future leasing and development. The company was founded by Thomas L. Carter Jr. in 1980 and is headquartered in Houston, TX. | Other Metals/Minerals | Chief Executive Officer Chief Operating Officer | |
Natural Gas Partners LLC
 Natural Gas Partners LLC Investment ManagersFinance Natural Gas Partners LLC (NGP) is a private equity firm, a subsidiary of NGP Energy Capital Management, LLC founded in 1988 by David Russell Albin and Kenneth Alfredo Hersh. The firm is headquartered in Dallas, Texas. | Investment Managers | Chief Executive Officer Private Equity Investor Private Equity Analyst Private Equity Investor Private Equity Investor Chief Executive Officer Private Equity Investor | |
| EAGLE ROCK ENERGY PARTNERS, L.P. | Gas Distributors | Director of Finance/CFO Director/Board Member Chief Tech/Sci/R&D Officer Chief Executive Officer Director/Board Member Compliance Officer Director/Board Member Director/Board Member Director/Board Member Corporate Officer/Principal Director/Board Member Corporate Officer/Principal Corporate Officer/Principal Corporate Officer/Principal Director/Board Member Director of Finance/CFO Corporate Officer/Principal Corporate Officer/Principal Corporate Officer/Principal Director of Finance/CFO | |
Marathon Oil Co.
 Marathon Oil Co. Oil & Gas ProductionEnergy Minerals Marathon Oil Co. engages in exploring, transporting and markets crude oil and natural gas properties. The company is headquartered in Houston, TX. | Oil & Gas Production | Corporate Officer/Principal Corporate Officer/Principal | |
Oilfield Water Logistics LLC
 Oilfield Water Logistics LLC Water UtilitiesUtilities Oilfield Water Logistics LLC provides midstream water infrastructure and services to the energy industry. It offers water gathering, water disposal, water re-use, and solids and landfill operations. The company was founded in 2014 and is headquartered in Dallas, TX. | Water Utilities | Director of Finance/CFO Corporate Officer/Principal Director/Board Member | |
| BLACK STONE MINERALS, L.P. | Investment Trusts/Mutual Funds | Chief Executive Officer Director of Finance/CFO Director/Board Member | |
| Rice University | College/University | Masters Business Admin Undergraduate Degree Undergraduate Degree Undergraduate Degree | |
| Baylor University | College/University | Undergraduate Degree Undergraduate Degree | |
Northwestern University
 Northwestern University Other Consumer ServicesConsumer Services Northwestern University is a private institution founded in 1851 to serve the Northwest Territory, an area that now includes the states of Ohio, Indiana, Illinois, Michigan, Wisconsin and parts of Minnesota. Northwestern has three campuses | College/University | Undergraduate Degree Masters Business Admin Masters Business Admin | |
| Texas A&M University | College/University | Undergraduate Degree Undergraduate Degree Undergraduate Degree Undergraduate Degree Undergraduate Degree Undergraduate Degree Graduate Degree Undergraduate Degree Undergraduate Degree Undergraduate Degree Graduate Degree | |
| The University of Texas at Austin | College/University | Undergraduate Degree Director/Board Member Masters Business Admin Undergraduate Degree Undergraduate Degree Masters Business Admin Undergraduate Degree Undergraduate Degree Masters Business Admin Undergraduate Degree Undergraduate Degree Undergraduate Degree Undergraduate Degree Undergraduate Degree Graduate Degree Undergraduate Degree Corporate Officer/Principal Graduate Degree Masters Business Admin | |
| The University of Chicago | College/University | Masters Business Admin Masters Business Admin | |
| The Johns Hopkins University | College/University | Director/Board Member Graduate Degree | |
| Texas Tech University | College/University | Graduate Degree Masters Business Admin | |
Cornell University
 Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | College/University | Undergraduate Degree Undergraduate Degree Doctorate Degree | |
| Oklahoma State University | College/University | Undergraduate Degree Undergraduate Degree Masters Business Admin | |
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 | Undergraduate Degree Undergraduate Degree Graduate Degree Masters Business Admin Undergraduate Degree Undergraduate Degree Graduate Degree | |
American Bar Association
 American Bar Association Miscellaneous Commercial ServicesCommercial Services American Bar Association provides legal services. It provides law school accreditation, continuing legal education, legal information and other services to assist legal professionals. The firm has members which include judges, court administrators, law professors, and non-practicing attorneys. The company was founded on August 21, 1878 and is headquartered in Chicago, IL. | Miscellaneous Commercial Services | Corporate Officer/Principal Corporate Officer/Principal | |
Texas Rangers Baseball Club, Inc.
 Texas Rangers Baseball Club, Inc. Movies/EntertainmentConsumer Services Texas Rangers Baseball Club operates as a professional baseball franchise. It is a part of the Western Division of the American League in the Major League Baseball (MLB). The company was founded in 1961 and is headquartered in Arlington, TX. | Movies/Entertainment | Director/Board Member Corporate Officer/Principal | |
Guggenheim Partners LLC
 Guggenheim Partners LLC Investment ManagersFinance Guggenheim Partners LLC provides financial services. It offers investments, securities, and insurance services. The company was founded in 1881 and is headquartered in Chicago, IL. | Investment Managers | Corporate Officer/Principal Corporate Officer/Principal | |
Society of Petroleum Engineers, Inc.
 Society of Petroleum Engineers, Inc. Engineering & ConstructionIndustrial Services Society of Petroleum Engineers, Inc. provides petroleum engineering services. The non-profit company is based in Allen, TX and has subsidiaries in United States, India and Canada. | Engineering & Construction | Corporate Officer/Principal Director/Board Member Corporate Officer/Principal Corporate Officer/Principal | |
State Bar of Texas
 State Bar of Texas Miscellaneous Commercial ServicesCommercial Services State Bar of Texas provides legal educational programming services. The private company is based in Austin, TX. | Miscellaneous Commercial Services | Corporate Officer/Principal Corporate Officer/Principal | |
| Society of Petroleum Evaluation Engineers | Corporate Officer/Principal Corporate Officer/Principal | ||
| MAGNUM HUNTER RESOURCES CORP | Integrated Oil | Chief Operating Officer Corporate Officer/Principal | |
| CIMAREX RESOLUTE LLC | Oil & Gas Production | Director/Board Member Director/Board Member | |
Protestant Episcopal High School
 Protestant Episcopal High School Other Consumer ServicesConsumer Services Protestant Episcopal High School operates as a high school. The private company is based in Alexandria, VA. | Other Consumer Services | Chairman Director/Board Member | |
| ZAZA ENERGY CORPORATION | Oil & Gas Production | Director/Board Member Chairman | |
WildHorse Resources LLC
 WildHorse Resources LLC Contract DrillingIndustrial Services WildHorse Resources LLC provides oil and gas exploration and production services. The company was founded by Anthony Bahr and Jay Graham on August 24, 2007 and is headquartered in Austin, TX. | Contract Drilling | Director/Board Member Director/Board Member President | |
WildHorse Resources II LLC
 WildHorse Resources II LLC Oil & Gas ProductionEnergy Minerals WildHorse Resources II LLC explores and produces oil and natural gas. The company was founded by Bahr Anthony and is headquartered in Houston, TX. | Oil & Gas Production | Director/Board Member Director/Board Member Director/Board Member President Director of Finance/CFO | |
| The Wharton School of the University of Pennsylvania | College/University | Masters Business Admin Corporate Officer/Principal | |
| Stanford Graduate School of Business | College/University | Masters Business Admin Masters Business Admin Masters Business Admin Masters Business Admin | |
Prairie Storm Energy Corp.
 Prairie Storm Energy Corp. Oilfield Services/EquipmentIndustrial Services Prairie Storm Energy Corp. acquires, develops and exploits oil and gas assets. The company was founded by Hugh G. Ross in December 2014 and is headquartered in Calgary, Canada. | Oilfield Services/Equipment | Director/Board Member Director/Board Member | |
Black Stone Minerals GP LLC
 Black Stone Minerals GP LLC Investment Trusts/Mutual FundsMiscellaneous Part of Black Stone Minerals LP, Black Stone Minerals GP LLC engages in the acquisitions of mineral and royalty interests. The company is based in Houston, TX. Thomas L. Carter has been the CEO of the company since 2014. | Investment Trusts/Mutual Funds | Chief Executive Officer Director of Finance/CFO Director/Board Member | |
| BIRD GLOBAL, INC. | Other Transportation | Director/Board Member Director/Board Member |
Statistics
International
| United States | 48 |
| Canada | 2 |
Sectoral
| Consumer Services | 16 |
| Energy Minerals | 14 |
| Utilities | 5 |
| Finance | 5 |
| Commercial Services | 4 |
Operational
| Director/Board Member | 339 |
| Corporate Officer/Principal | 264 |
| Independent Dir/Board Member | 88 |
| Undergraduate Degree | 85 |
| Director of Finance/CFO | 83 |
Most connected contacts
| Insiders | |
|---|---|
| Haag Sherman | 36 |
| Joseph Mills | 28 |
| Herbert C. Williamson | 23 |
| Pat Wood | 23 |
| Scott A. Gieselman | 21 |
| Steven Lilly | 20 |
| Kenneth Hersh | 20 |
| William J. Quinn | 20 |
| Andrew J. Cozby | 17 |
| Peggy A. Heeg | 17 |
| Brian A. Minnehan | 17 |
| Jay A. Epstein | 17 |
| William J. Scarff | 16 |
| Amanda Brock | 16 |
| Jonathan M. Clarkson | 16 |
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