William Winkenwerder

Tiger Global Management LLC (Tiger Global Management) is a private equity subsidiary of Tiger Global Management LLC founded in 2001 by Charles P. Coleman III. The firm is headquartered in New York.

Hospital for Special Surgery provides healthcare services. Its services include orthopedic, rheumatology, and rehabilitation specific surgery services. The company was founded by James A. Knight and Robert M. Hartley in 1863 and is headquartered in New York, NY.

Tiger Management LLC is an independent hedge fund manager founded by Julian Robertson in 1980. Headquartered in New York City, the firm manages Mr. Robertson's personal assets.

Silver Lake Management Co. LLC (Silver Lake Management) is a private equity firm, a subsidiary of Silver Lake Group LLC founded in 1999 by Jim Davidson and David Roux. The firm is headquartered in Menlo Park, California with offices in San Francisco, New York, London, Hong Kong and Singapore.

3i U.S. is a venture capital firm headquartered in Menlo Park, California. The firm is a subsidiary of 3i Group Plc (LSE: III).

Luxor Capital Group LP (Luxor) is an independent, SEC-registered investment advisor and hedge fund manager headquartered in New York City. The firm was founded by Christian A. Leone in 2002. Luxor provides primarily discretionary investment advice to private investment funds and may also do so for certain separately managed accounts or other investment advisers from time to time.

The California Academy of Sciences operates as a scientific and cultural institution. The Academy houses an aquarium, a planetarium a natural history museum and a rainforest. It was founded in 1853 and is headquartered in San Francisco, CA.