John K. Rowan

Warburg Pincus LLC (Warburg Pincus) is a private equity subsidiary of Warburg Pincus & Company US LLC founded in 1966. The firm is headquartered in New York.

Monolith Materials, Inc. operates as a carbon black manufacturing company. The firm converts natural gas to carbon black. It produces hydrogen tail-gas, supplied to the power generation and industrial gas markets. The company was founded by Peter L. Johnson, Robert Hanson, and William J. Brady Jr. in 2012 and is headquartered in Lincoln, NE.

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.

Rimrock Corp. provides automation products and systems. Its products include ladles, sprayers, extractors, finishing equipment and turnkey robotic systems. The firm’s capabilities include the design, manufacture and installation of ABB, Fanuc, Motoman and Gudel robot based systems. The company was founded by Franz Stone in 1956 and is headquartered in Columbus, OH.

Gulf Coast Energy Resources LLC engaged in the oil and gas exploration and production activities. The company was founded by Kevin P. Guilbeau in October 2010 and headquartered in Houston, TX.

Venari Resources LLC engages in the operations as a deepwater exploration and production company. The company was founded by Brian C. Reinsborough in May 2012 and is headquartered in Houston, TX.

Navitas Midstream Partners LLC builds, owns and operates midstream assets. Its services include treating, processing, fraction, and pipeline transportation of gas, gas liquid, and oil. The company was founded in 2014 and is headquartered in The Woodlands, TX.

Zenith Energy Management LLC operates as liquid and bulk terminal company. It focuses on the storage and distribution for petroleum, refined products, natural gas liquids and petrochemicals. The firm's services include storage and logistics for crude oil, refined products, petrochemicals and all types of dry-bulk commodities. The company was founded by Jeffery R. Armstrong and is headquartered in Houston, TX.