Matthew S. Raben

First Reserve Management LP (First Reserve) is a private equity firm founded in 1983. The firm is headquartered in Stamford, Connecticut.

Simpson Thacher & Bartlett LLP provides legal services. Its areas of practices include corporate, litigation, banking and credit, capital markets, mergers and acquisitions, real estate, private funds, intellectual property, restructuring and bankruptcy, and tax. The firm serves the energy, financial services, healthcare, insurance and reinsurance, technology, retail, defense, education and transportation industries. The company operates through its offices located in Beijing, Hong Kong, Houston, London, Los Angeles, New York, Palo Alto, São Paulo, Seoul, Tokyo and Washington, DC. Simpson Thacher & Bartlett was founded in 1884 and is headquartered in New York, NY.

Cornerstone Research, Inc. provides testimony, economic and financial analysis to attorneys. Its services include consulting to attorneys, developing case strategies, supporting expert witness, conducting research and analysis, consulting on internal and regulatory inquiries, consulting in motion practice and preparing for deposition and trail. The company was founded by James K. Malernee Jr. and Cynthia L. Zollinger in May 1989 and is headquartered in Los Angeles, CA.

Hearthstone Utilities, Inc. is a holding company. The firm distributes and sells natural gas to end-use residential, commercial, and industrial customers. Its other operations include natural gas production and natural gas marketing. The company was founded in 1909 and is headquartered in Naperville, IL.

FREIF North American Power I LLC operates thermal and gas fired power plants. The company was founded in 2011 and is headquartered in Greenwich, CT.

Global Energy & Power Infrastructure Group (Global Energy & Power) is a private equity subsidiary of BlackRock Real Assets founded in 1992. The firm is headquartered in New York.

GEP Bison Holdings, Inc. provides oil and gas exploration services. The company is headquartered in Greenwich, CT.