Board of Directors

Jonathan Christodoro

Jonathan Christodoro was appointed as a director of our company on October 7, 2013 and as Chairman of our Board on November 20, 2013. Mr. Christodoro has served as a Managing Director of Icahn Capital LP, the entity through which Carl C. Icahn manages investment funds, since July 2012. Mr. Christodoro is responsible for identifying, analyzing and monitoring investment opportunities and portfolio companies for Icahn Capital LP. Prior to joining Icahn Capital LP, Mr. Christodoro served in various investment and research roles at P2 Capital Partners, LLC, Prentice Capital Management, LP, and S.A.C. Capital Advisors, LP. Mr. Christodoro began his career as an investment banking analyst at Morgan Stanley, where he focused on merger and acquisition transactions across a variety of industries. Mr. Christodoro has been a director of Hologic, Inc., a medical devices company, since December 2013, a director of Talisman Energy, Inc., a global oil and gas company, since December 2013, a director of Herbalife Ltd., a global nutrition company, since April 2013 and a director of eBay Inc., a global commerce and payments company, since March 2015. Mr. Christodoro received an M.B.A. from the University of Pennsylvania’s Wharton School of Business with Distinction, majoring in Finance and Entrepreneurial Management. Mr. Christodoro received a B.S. in Applied Economics and Management Magna Cum Laude with Honors Distinction in Research from Cornell University. Mr. Christodoro also served in the United States Marine Corps.

Odysseas Kostas, M.D.

Odysseas Kostas, M.D. was appointed as a director of our company on September 25, 2013. Since 2011, Dr. Kostas has been an associate analyst covering the biotechnology and pharmaceutical industries at Evercore ISI (formerly known as International Strategy & Investment), a full service broker-dealer that provides macro and fundamental research, sales, and trading services to customers. Prior to that, Dr. Kostas was a consultant - senior associate analyst covering the biotechnology industry at Sanford C. Bernstein and Co. from May 2011 to August 2011. Prior to that, Dr. Kostas worked at the Greenwich Hospital/Yale New Haven Health as hospitalist from 2008 to 2011 and was member of hospital committees from 2003 to 2011. Dr. Kostas was also a member of the board of directors at Mast Therapeutics (then known as ADVENTRX Pharmaceuticals) from February 2010 to May 2011, and a strategy consultant at Mast Therapeutics from December 2008 to January 2009. Dr. Kostas has an M.D. from the University of Texas Southwestern Medical School, and a B.S. from Massachusetts Institute of Technology.

Jennifer I. McNealey

Jennifer I. McNealey was appointed as a director of our company on September 25, 2013. Since February 2015, Ms. McNealey has been Senior Director Investor Relations at Calithera Biosciences Inc. Prior to joining Calithera Biosciences Inc., in 2005, Ms. McNealey founded Laurient LLC, a market research company focused on the biotechnology and pharmaceutical industries, where she worked until 2012. Prior to founding Laurient LLC, Ms. McNealey served as a portfolio manager and biotechnology analyst at various firms, including Paramount Capital, Franklin Templeton, Amerindo Investment Advisors and Morgan Stanley Dean Witter Advisors. Ms. McNealey has a B.A. and an M.H.A. from Cornell University.