Matthew Ryan Murphy

Stelliam Investment Management LP (SIM) is an independent hedge fund manager headquartered in New York City. The firm was founded by Ross Margolies in 2006. SIM provides investment advisory services to private investment funds that operate as pooled investment vehicles. Investors in the funds may include a broad range of US and non-US institutions and high-net worth individuals. Institutional investors may include corporations, trusts, estates, charitable organizations, endowments, foundations, family offices and others.

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.

Founded in 1976, Apax Partners, Inc. is a venture capital/private equity firm located in New York City. The firm is a subsidiary of London-based Apax Partners LLP