Mike Peffer

The Clark Estates, Inc. is a private foundation headquartered in New York City. The firm was founded in 1946 and manages the assets of members of the Clark family and its associated philanthropic organizations. Clark Estates is a trust derived from the original Singer sewing-machine fortune.

Part of Aspect Energy LLC (Colorado), Aspect Resources LLC explores for and produces oil and gas. The company is based in Denver, CO.

Enduring Resources LLC acquires and exploits natural gas assets in domestic onshore basins. It develops natural gas and oil in the Permian basin. The company was founded in 2004 and is headquartered in Denver, CO.

Jet Capital Investors LP (Jet Capital) is an independent, SEC-registered investment advisor and hedge fund manager headquartered in New York City. The firm was founded by Matthew Mark and Alan Cooper in 2002. Jet Capital provides investment management services to private investment funds that are offered to investors on a private placement basis.

Part of Maverick Natural Resources LLC, BreitBurn GP LLC focuses on the acquisition, exploitation and development of oil and gas properties. The company is based in Los Angeles, CA. The company was founded by Randall Hart Breitenbach, Halbert S. Washburn. Halbert S. Washburn has been the CEO since incorporation.

Part of Marathon Petroleum Corp., MarkWest Energy GP LLC is a 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.

QA Global GP LLC provides investment advisory services. The private company is based in Houston, TX. The CEO of the company is Alan L. Smith.

Part of Maverick Natural Resources LLC, QRE GP LLC provides investment services. The company is based in Houston, TX. QRE GP was acquired by QR Energy LP on March 03, 2014.

Sun Oil Co., Inc. is a Canadian company that produces, transports, and stores oil. The private company also refines, ship, and market petroleum products.

Part of UMC Merger Corp., General Atlantic Resources, Inc. is an oil and gas concern. The company is based in Denver, CO. General Atlantic Resources was acquired by UMC Merger Corp. on November 18, 1994 for $156 million.

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.

Time Out New York Partners LP provides publishing services. The firm offers business, sports, comprehensive arts, and entertainment information. Its products include Time Out New York Kids, Fall Fashion, and Art City. The company was founded in 1995 by Anthony M. Elliott and is headquartered in New York, NY.

Aspect Energy LLC operates as an exploration and energy investment company. The firm is engaged in oil and gas exploration and development efforts. The company was founded in 1992 and is headquartered in Denver, CO.

Quantum Resource Management Engages in oil and gas exploration. The company was founded in June 2006 and is headquartered in Denver, CO.

Part of The University of Texas at Austin, The Board of Regents of The University of Texas System oversees college activities. The company is based in Austin, TX.

Mak-J Energy Partners Ltd. provides oil and gas exploration services. The private company is based in Denver, CO.

Part of Western Midstream Partners LP, Western Midstream Operating GP LLC collects, compresses, treats, and transports natural gas. The company is based in The Woodlands, TX. Robin H. Fielder has been the CEO of the company since 2018.

Part of Aspect Energy LLC (Colorado), Hungarian Horizon Energy Ltd. is a company that engages in exploring gas. The company is based in Budapest, Hungary. The CEOs are Robert Todd Neugebauer, Alex M. Cranberg. The company was founded by Ibolya Ernyey.

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.

Enduring Resources II LLC operates as acquisition and exploitation focused oil and gas company. It focuses on large resource potential, geographies, development concepts during delineation, advancing technology, vertical integration and working relations with landowners and service providers. The company was founded in 2011 and is headquartered in Denver, CO.

OneMap Mineral Services LLC engages in the minerals acquisition. The company was founded in 2012 and is headquartered in Houston, TX.

Asylia Therapeutics, Inc. is a private biotechnology company founded in 2019 by Richard Jones, Robert Z. Orlowski, and Ronald A. DePinho. The company is based in Houston, TX. Asylia Therapeutics is focused on developing novel immune modulating therapies for cancer and autoimmune diseases. The company's drug pipeline is capable of modulating antigen presentation to the immune system, which has produced anti-tumor responses across multiple cancer models. The company is supported by a $3 million grant from the Cancer Prevention & Research Institute of Texas. The CEO is Karthik Radhakrishnan.

Sporos Bioventures, Inc. is a private biopharmaceutical company based in Houston, TX. Sporos Bioventures, Inc. aims to transform the drug development process by identifying novel disease mechanisms and strategically deploying talent, capital, and access to operational resources to catalyze the development of breakthrough medicines. Sporos' current pipeline is diversified across three business units and includes multiple clinical-stage candidates that are being investigated for the treatment of multiple indications in cancer and immune disease. The company provides centralized expertise, resources, and core infrastructure so that the portfolio companies can focus primarily on their research development programs. The company was founded by Peter Feinberg, Ronald A. DePinho, Jeno Gyuris, Joseph Kekst, Harold Levy, Alex M. Cranberg, Louis Feinberg, Michael S. Wyzga, Dana Levy, and the CEO is Stephen Rubino.