Joshua H. Sanger

Siltstone Capital LLC is an Independent Private Equity/Venture Capital firm founded in 2011. Siltstone Capital LLC is headquartered in Houston.

Acorn Performance Group, Inc. engages in the provision of profitability and cost management software solutions. It offers process modeling, data integration, calculation engine, and reporting into a solution for guiding a business. The firm serves the automotive, banking, chemical, consumer products, distribution, education, financial services, healthcare, information technology, insurance, manufacturing, retail, transportation and logistics, and utilities sectors. The company was founded by Steven R. Anderson and Jim Brigman on July 6, 2001 and is headquartered in Austin, TX.

Riverstone Holdings LLC operates as an energy focused investment manager. It conducts buyout and growth capital investments in the exploration and production, midstream, oilfield services, power, and renewable sectors of the energy industry. The company was founded by David Matthew Leuschen and Pierre Fernard Lapeyre, Jr. in 2000 and is headquartered in New York, NY.