Bjorn Hagelmann

Petrie Partners LLC provides financial advisory services to the oil and gas industry. It offers specialized advice on mergers, divestitures and acquisitions and private placements. The company was founded by Thomas A. Petrie, Jon Custer Hughes, Michael Eric Bock and Andrew J. Rapp in 2011 and is headquartered in Denver, CO.

Koch Industries, Inc. engages in the manufacture and trade of chemical products. It operates in variety of industries such as polymers and fibers, fertilizers, electronics, automotive components, forest and consumer products, minerals, glass, process and pollution control systems, refining and biofuels, commodity trading, investments, and ranching. The company was founded by Frederick Chase Koch in 1940 and is headquartered in Wichita, KS.

MRE Consulting Ltd. provides information technology services, business consulting and staffing solutions. It offers information technology (IT) consulting services, such as architecture and technical applications design and integration, custom applications development, systems integration, disaster planning, recovery, development of Websites and Web services. The company was founded by Michael K. Short and Shane J. Merz in 1994 and is headquartered in Houston, TX.