Robert M. Bass

Keystone Group LP provides investment services. The company was founded on September 21, 2005 and is headquartered in Fort Worth, TX.

The Brookings Institution provides research and policy solutions. The firm's activities are carried out through four research programs: economic studies, foreign policy studies, governance studies, and metropolitan policy. The company was founded in 1916 and is headquartered in Washington, DC.

Aerion Corp. develops aeronautical engineering solutions. The firm engages in the design, engineering, development, and sale of supersonic business jets. The company was founded by Ira F. Kuhn and is headquartered in Reno, NV.

Keystone, Inc. provides oil field services. The company was founded in 1985 and is headquartered in Fort Worth, TX.

Cook Children's Medical Center provides surgery rehabilitation and ancillary equipment services. The firm offers equipment, surgery, rehabilitation and ancillary services all designed to meet children's needs. The company was founded in 1985 and is headquartered in Fort Worth, TX.

The National Trust For Historic Preservation provides leadership, education, advocacy and resources to save America's historic places. The firm helps revitalize neighborhoods, communities, and spark economic development and promote environmental sustainability. The company was founded in 1949 and is headquartered in Washington, DC.

Oak Hill Capital Management LLC (Oak Hill Capital) is a private equity subsidiary of OHCM Management LLC founded in 1986 by Robert M. Bass. The firm is headquartered in New York.