Andrew Brownstein

Sunriver Management LLC (Sunriver) is a SEC-registered investment advisor and hedge fund manager headquartered in Greenwich, Connecticut. The firm was founded by Randolph Willett (Will) Cook in 2015. They are a subsidiary of Sunriver Global LP, which is owned by Sunriver Advisors LLC. Sunriver offers investment advisory services on a discretionary basis to private funds that are intended for sophisticated investors.

Founded in 2004 by Eric Mindich, Eton Park Capital Management LP is a hedge fund manager headquartered in New York City. The firm provides investment management services to private investment funds. Investors in the funds include institutional investors (including charitable organizations, endowments, pension plans and funds-of-funds), high net-worth individuals and family offices.

The Blackstone Group, Inc. provides marketing research services. It provides custom market research services for clients in industries as consumer packaged goods, financial services, healthcare and technology. The firm's clients include eBay, Harris Bank and Pfizer. The company was founded by Ashref A. Hashim in 1987 and is headquartered in Chicago, IL.

Sunriver Capital Management LLC provides investment advice. The private company is based in Stamford, CT and has subsidiaries in the United States.

Soroban Capital Partners LP (Soroban) is a SEC-registered investment advisor and hedge fund manager headquartered in New York City. The firm was founded as Soroban Capital Partners LLC in 2010 and is a subsidiary of EMMHC2 LLC. Soroban provides investment advisory services on a discretionary basis to private funds that are pooled investment vehicles intended for sophisticated investors and institutional investors.