Luke A. DiTomas

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

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.

El Paso Production Co. explores natural gas and oil reserves. The company is a subsidiary of El Paso Corporation. It is located in Houston, TX.

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.

Part of Grizzly Energy LLC, Eagle Rock Energy GP LP is an American company. Scott W. Smith has been the CEO of the company since 2015.

Duke University is an academic university that offers undergraduate, graduate and professional programs. It also has publications and research services. The university was founded in 1838 and is headquartered in Durham, NC.

Goldman Sachs & Co. LLC (GS&Co.) is a securities brokerage firm headquartered in New York City. Founded in 1927, the firm is a subsidiary of The Goldman Sachs Group, Inc. (NYSE: GS). GS&Co. provides services to help hedge funds manage risk, monitor portfolios, maintain liquidity and build their businesses. They offer clients access to global equity and derivatives markets, as well as foreign exchange, commodities, European Lefts, rates and credit across the Americas, Europe and Asia. The firm proactively monitors capital markets, searching for pockets of liquidity and news that may require changes to those strategies. Integration with the Goldman Sachs network gives clients access to the firm's sectored block trades and their insights into price discovery. Their electronic trading program provides clients with tools to manage their trades from pre-trade analytics to post-trade analysis.

Samson Resources Co. operates as an independent oil and natural gas company. It also engages in the exploration, development and production of oil and natural gas from properties located onshore in the United States. The company was founded on November 23, 1971 and is headquartered in Tulsa, OK.

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.

The Independent Petroleum Association of America manufactures oil and natural gas. The non-profit company is based in Washington. Barry Russell has been the CEO of the American company since 1980.

American Association of Professional Landmen consists of landmen and land-related persons throughout affiliated local associations in the United States and in Canada. It promotes standards of performance for all land professionals, which encourage responsible stewardship of energy and mineral resources. The company was founded on March 17, 1987 and is headquartered in Fort Worth, TX.

National Association of Corporate Directors provides online and print information services to directors of public companies. It offers in-boardroom education, evaluation, governance reviews, board composition and succession planning, board recruitment, ongoing advisory, insights, and analytics services. The company was founded in 1977 and is headquartered in Arlington, VA.

Part of KeyCorp, SONAT Exploration Co. is a company that provides petroleum exploration. The company is based in Houston, TX.

Texas Alliance of Energy Producers operates as a state-wide oil and gas association in Texas. The company was founded in 1930 and is headquartered in Wichita Falls, TX.

SunEdison Reserve International LP operates solar photovoltaic energy projects. The company is headquartered in Cayman Islands.

Greylock Pipeline LLC owns and operates gas pipelines. The firm also manages gas drilling projects. The company was founded in 2011 and is headquartered in Charleston, WV.

First Caribbean Power & Midstream operates as a holding company with interests in providing electrical power services. It offers power generation and midstream assets. The company is headquartered in Greenwich, CT.

Samson Resources II LLC operates as an oil and natural gas company. It engages in the exploration, development and production of oil and natural gas from properties. The company was founded in 1971 and is headquartered in Tulsa, OK.

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.

Quarternorth Energy Holding, Inc. functions as an investment holding company. The company is based in Houston, TX.