Our leadership is experienced, dedicated and passionate.

Mary Lynne Hedley, Ph.D.

President and Co-Founder

Mary Lynne Hedley, Ph.D. has served as our President and as a member of our Board of Directors since co-founding TESARO, Inc. in March 2010. From July 2009 to February, Dr. Hedley served as executive vice president of operations and chief scientific officer of Abraxis BioScience, Inc., a biotechnology company. Dr. Hedley served as executive vice president of Eisai Corporation of North America from January 2008 until July 2009, following Eisai Co. Ltd.’s acquisition of MGI PHARMA, Inc. in January 2008. Dr. Hedley served in various positions at MGI PHARMA, Inc. from 2004 through its acquisition in January 2008, most recently as executive vice president and chief scientific officer. Prior to that, Dr. Hedley co-founded and served as the president and chief executive officer of ZYCOS, Inc., a biotechnology company, which was acquired by MGI PHARMA, Inc. in 2004. Prior to co-founding Zycos, Dr. Hedley completed two consecutive postdoctoral fellowships at Harvard University and earned her bachelor of science degree in microbiology from Purdue University and her doctoral degree in Immunology from the University of Texas, Southwestern Medical Center. She currently sits on the board of Youville Place.

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