Vince Mellet

Deerfield Management Co. LP (Deerfield) is a SEC-registered investment advisor and hedge fund manager headquartered in New York City. The firm was founded by Peter Drake in 1994. They are wholly owned by James E. Flynn and are controlled by its general partner, Flynn Management LLC. Deerfield provides discretionary investment management services in the healthcare sector to domestic and offshore private pooled investment vehicles and their related alternative investment vehicles.

Deerfield Management Co. LP (Private Equity) (Deerfield) is a private equity subsidiary of Deerfield Management Co. LP founded in 1994. The firm is headquartered in the New York.

PFM Health Sciences LP (PFM) is an independent, SEC-registered investment advisor and hedge fund manager headquartered in San Francisco, California. The firm was founded by Chris James in 2004 as Partner Fund Management LP. PFM serves as an investment advisor to private investment funds in which qualified investors invest directly.

Founded by Vikram Pandit and John Havens in 2005, Old Lane Management is a fund-of-funds and private equity firm with offices in New York City and Mumbai

Founded in 1981 by Stanley Druckenmiller, Duquesne Capital Management LLC is a hedge fund manager located in Pittsburgh, Pennsylvania with an additional office in New York City

RiverSource Investments LLC, formerly American Express Financial Corp., is a registered investment advisor and mutual fund manager headquartered in Minneapolis, Minnesota with offices in New York City, Maryland, Massachusetts and California. The firm is a wholly-owned subsidiary of Ameriprise Financial Services, Inc. (NYSE: AMP). RiverSource Investments provides investment management services to the RiverSource Investments family of funds (formerly the American Express Funds). The firm also provides investment management services for institutional clients, alternative investments, insurance assets and a managed account program.

Morgan Stanley & Co. LLC is a registered broker-dealer subsidiary of Morgan Stanley Domestic Holdings, Inc., ultimately owned by Morgan Stanley (NYSE: MS) in the US. Headquartered in New York City, the firm was founded in 1987 and provides debt and equity services including underwriting, M&A advice, securities dealing and brokerage and trade execution. Their client base ranges from large global institutional investors to hedge funds at the cutting edge of innovation in the industry.

Antipodean Advisors LLC (Antipodean) is an independent registered investment advisor and hedge fund manager headquartered in New York City. The firm was founded by Eric Chen in 2009 and is owned by Chen 2012 Dynasty Trust. Antipodean acts as investment adviser with full investment discretion to a single private fund, Antipodean Domestic Partners LP, a Delaware limited partnership.