Directors Continuing in Office Until the 2021 Annual Meeting of Stockholders
Keith R. Leonard, Jr., has served as our Chairman since January 2016 and served as our Chief Executive Officer from October 2016 to March 2020. Mr. Leonard was a co-founder of and served as President and Chief Executive Officer of KYTHERA Biopharmaceuticals, Inc., a public biopharmaceutical company from August 2005 until its acquisition by Allergan plc, a public pharmaceutical company, in October 2015. Prior to that, Mr. Leonard held roles of increasing responsibility at Amgen Inc., a public biotechnology company, from October 1991 to November 2004, including as Senior Vice President and General Manager of Amgen Europe. Mr. Leonard currently serves on the board of directors of Sanifit Laboratories S.L., a biopharmaceutical company and Intuitive Surgical, Inc., a public medical device company. He previously served on the boards of directors of Sienna Biopharmaceuticals, a public biopharmaceutical company, Affymax, Inc., a public biotechnology company, Anacor Pharmaceuticals, Inc., a public biopharmaceutical company, and ARYx Therapeutics, Inc., a public biopharmaceutical company. Mr. Leonard was formerly an active duty officer in the United States Navy. Mr. Leonard received a B.S. in Engineering from the University of California, Los Angeles, a B.A. in History from the University of Maryland, an M.S. in Engineering from the University of California, Berkeley, and an M.B.A. from the Anderson School of Management at the University of California, Los Angeles. We believe that Mr. Leonard is qualified to serve on our board of directors due to his extensive executive management and leadership experience in the life science industry, as well as experience as a director of public companies.
Kristina M. Burow has served as a member of our board of directors since its inception in November 2011. Ms. Burow has served as Managing Director of ARCH Venture Partners since November 2011 and previously held roles of increasing responsibility at ARCH from August 2002 to November 2011. Ms. Burow currently serves on the boards of directors of several biopharmaceutical and biotechnology companies, including Vividion Therapeutics, Inc., Lycera Corp., BlackThorn Therapeutics, Inc., Metacrine, Inc., Scholar Rock, Inc., AgBiome Inc., Vir Biotechnology Inc., and AgTech Accelerator, an agricultural technology startup accelerator. She previously was a co-founder and member of the board of directors of Receptos, Inc., a public pharmaceutical company, until its acquisition by Celgene Corporation, a public biopharmaceutical company, and of Sapphire Energy, Inc., an energy company. Ms. Burow has participated in a number of other ARCH portfolio companies including KYTHERA, Siluria Technologies, Inc., an energy company, Ikaria, Inc., a biotechnology company, acquired by Madison Dearborn Partners, a private equity firm, and Sienna Biopharmaceuticals, a public biopharmaceutical company. Prior to joining ARCH, Ms. Burow was an Associate with the Novartis BioVenture Fund in San Diego and an early employee at the Genomics Institute of the Novartis Research Foundation. Ms. Burow received a B.A. in Chemistry from the University of California, Berkeley, an M.A. in Chemistry from Columbia University, and an M.B.A. from the University of Chicago. We believe that Ms. Burow is qualified to serve on our board of directors due to her extensive experience investing in biopharmaceutical and biotechnology companies and her experience on boards of directors in the medical industry.
Margo R. Roberts, Ph.D., has served as a member of our board of directors since December 2018. Since January 2019, Dr. Roberts has served as Chief Scientific Officer of Lyell Immunopharma, Inc. Previously, Dr. Roberts served in multiple roles at Kite Pharma Inc., a public biopharmaceutical company acquired by Gilead in October 2017, including most recently as Senior Vice President of Discovery Research and Chief Scientific Officer from August 2011 to July 2018. Prior to that, Dr. Roberts served in multiple roles, including Principal Scientist and Director of Immune and Cell Therapy, at Cell Genesys, Inc., a biotechnology company, from January 1990 to December 1998. Dr. Roberts has also served as an associate professor at the University of Virginia from 1999 to 2011. Dr. Roberts is currently a member of board of Celyad SA, a public biotechnology and manufacturing services company, and InsTIL Bio Inc, a private biotechnology company focused on cellular manufacturing in oncology. Dr. Roberts received both her Bachelor of Science degree with honors and her Ph.D. degree from the University of Leeds in England. We believe that Dr. Roberts is qualified to serve on our board of directors because of her extensive experience in the biopharmaceutical industry.
Directors Continuing in Office Until the 2022 Annual Meeting of Stockholders
Nathaniel E. David, Ph.D., is our co-founder and has served as a member of our board of directors since its inception in November 2011, our President since January 2016, and as our Chief Executive Officer from our inception until January 2016. Dr. David was a co-founder of and served as Chief Science Officer of KYTHERA from January 2005 to September 2009 and a member of the board of directors from its inception until its acquisition by Allergan. He was a co-founder of Syrrx, Inc., a biotechnology company which was acquired by Takeda Pharmaceutical Company Limited, a public pharmaceutical company where he was Director of Business