David Vogt

Sigma Capital Management LLC is a hedge fund manager headquartered in New York City. The firm is a division of S.A.C. Capital Advisors LP.

Founded in 2006, Blackstone Kailix Advisors LLC is a hedge fund company located in New York City. The firm is a subsidiary of Blackstone Proprietary Hedge Funds Group. Their ultimate parent is Blackstone Group LP. (NYSE:BX).

Brahman Capital Corp. is an independent, SEC-registered investment advisor and hedge fund manager headquartered in New York City. It was founded in 1989 by Mitchell A. Kuflik and Robert J. Sobel. The firm provides investment advice to long/short and long-only private investment funds.

Goldman Sachs & Co. LLC (GS&Co.) is a securities brokerage firm headquartered in New York City. Founded in 1927, the firm is a subsidiary of The Goldman Sachs Group, Inc. (NYSE: GS). GS&Co. provides services to help hedge funds manage risk, monitor portfolios, maintain liquidity and build their businesses. They offer clients access to global equity and derivatives markets, as well as foreign exchange, commodities, European Lefts, rates and credit across the Americas, Europe and Asia. The firm proactively monitors capital markets, searching for pockets of liquidity and news that may require changes to those strategies. Integration with the Goldman Sachs network gives clients access to the firm's sectored block trades and their insights into price discovery. Their electronic trading program provides clients with tools to manage their trades from pre-trade analytics to post-trade analysis.