Sam Sommerville

Metalmark Capital LLC (Metalmark Capital) is a private equity firm founded by John J. Moon in 1986. The firm is headquartered in New York.

Pacific Coast Energy Co. LP explores and develops onshore oil and gas properties. The firm's activities include interpretation to the drilling of exploration, development wells, and the construction of production facilities. The company was founded by Randall Hart Breitenbach and Halbert S. Washburn in 1997 and is headquartered in Orcutt, CA.

Valagro SpA engages in the production and commercialization of biostimulants and specialty nutrients for use in agriculture and industrial applications. It offers micronutrients and water soluble nutrition products. The company was founded by Ottorino La Rocca and Giuseppe Natali in 1980 and is headquartered in Atessa, Italy.

Bridge Energy LLC operates as an energy company. It transports fossil fuels by tanker, train and trucks. The company is headquartered in Brea, CA.

Harvard University engages in the provision of teaching and research. It has twelve degree-granting Schools in addition to the Radcliffe Institute for Advanced Study, offering a global education. The university was founded in 1636 and is headquartered in Cambridge, MA.

MAR Systems, Inc. develops effective method for removing heavy metal contaminants from water. It offers Sorbster media technology, a solution that is used to remove mercury, selenium, arsenic, and other material from industrial waste water streams; and used in municipal water treatment applications. The company was founded by Missy Hayes and Claude E. Kennard in 2005 and is headquartered in Cleveland, OH.

PTW Energy Services Ltd. provides electrical and instrumentation and building fabrication services. It serves energy, engineering and construction clients operating across markets in Canada, the United States, Southeast Asia and the Middle East. The firm is composed of four businesses that carry out operations in the oil and gas, mining and industrial sectors. The company was founded in 2014 and is headquartered in Nisku, Canada.

Monarch Midstream LLC transports and markets natural gas, oil and related hydrocarbons. The firm provides producers of natural gas and crude oil with all related services from the wellhead to market by designing, building and operating facilities dedicated to the producers needs with a strong focus on performance, safety and reliability. It is a full-service midstream energy company focused on building and operating assets in the midstream sector of the Oil and Gas industries. The company is headquartered in Greenwood, CO.

Jones Energy Ltd. explores oil and gas. The company was founded by Jonny Rex Jones in 1988 and is headquartered in Austin, TX.

Pacific Coast Energy Holdings LLC operates as a holding company. The company is headquartered in Orcutt, CA.

Metalmark Capital II LLC engages in the business of investing in equity, debt, derivative, securities and assets. The company is headquartered in New York, NY.

Triana Energy LLC explores and develops oil and natural gas. It operates in producing fields throughout the Appalachian Basin. The company was founded by William Henry Harmon in December 2000 and is headquartered in Charleston, WV.

PGIM, Inc. is a SEC-registered investment advisor headquartered in Newark, New Jersey. The firm was founded in 1984 and is a direct subsidiary of PGIM Holding Co. LLC, ultimately owned by Prudential Financial, Inc. (NYSE: PRU). PGIM provides institutional clients with investment solutions worldwide. It is comprised of autonomous asset management businesses each specializing in a particular asset class with a focused investment approach: PGIM Institutional Advisory & Solutions (provides advisory services to institutional clients located in the US and outside of the US), PGIM Fixed Income (an adviser primarily focused on public fixed income investments), PGIM Real Estate (a provider of real estate investment advisory services) and PGIM Capital Group (a private fixed income investment adviser, also known as Prudential Capital Group).

Maxum Enterprises LLC operates as an energy logistics company. It provides fuel, lubricants and chemicals to the energy, marine, mining and industrial markets. The company was founded in 1946 and is headquartered in Fort Worth, TX.

CP Power, Inc. operates electricity generation facilities. The firm holds operating interest in the Brooklyn Navy Yard power plant that supplies power to the New York City market. The company is located in New York, NY.

Premier Research Group Ltd. provides contract research services to pharmaceutical industry. It engages in analgesics, neuroscience, medical devices, rare diseases and pediatrics. The company offers pediatric experience with both familiar and extremely rare childhood illnesses, including work at PICUs, NICUs, clinics, ERs and neonatal studies. Premier Research Group was founded in 2002 and is headquartered in Wokingham, the United Kingdom.