Dirk Edward Ziff

Robin Hood Foundation provides grants, strategic support services, and management assistance to community based programs fighting poverty. The firm conducts programs focusing on early childhood development, education, survival, youth, job training, and jobs and economic security. It also offers employment programs, lower income victims' services and relief, mental health services, and other grants. The company was founded by Paul Tudor Jones II in 1988 and is headquartered in New York, NY.

The Institute for Sports Medicine Research provides orthopedic research and finance services. The private company is based in New York, NY.

The Weinstein Co. LLC operates as a multimedia production and distribution company. It offers film and television production services. The company was founded by Bob Weinstein and Harvey Weinstein on October 2005 and is headquartered in New York, NY.

WSL Holdings Inc. operated as a holding company with the interest in training and recreational activities. It offered training centers for surfer and athletes in the areas of no ocean wave. The company was founded on June 08, 1989 and was headquartered in Lakewood, CA.

The Weinstein Company Holdings LLC engages in video production services. The company is headquartered in New York, NY.

Huron River Venture Partners LLC (Huron River Venture) is a venture capital firm founded in 2010 by Ryan Waddington and Tim Streit. The firm is headquartered in Ann Arbor, Michigan.

Founded in 1992, Ziff Brothers Investments LLC is a hedge fund manager located in New York City. The firm is the primary investment vehicle of the Ziff family, founders of Ziff-Davis Publishing.