Ian Clark has served as a member of our Board of Directors since August 2020. Mr. Clark has served as a member of the boards of directors of Takeda Pharmaceutical Company Limited, a pharmaceutical company, since January 2019, AVROBIO, Inc., a gene therapy company, since January 2018, Corvus Pharmaceuticals, Inc., a biopharmaceutical company, since January 2017 and Guardant Health, Inc., a precision oncology company, since January 2017. Mr. Clark served as a member of the board of directors of Agios Pharmaceuticals, Inc., a pharmaceutical company, from December 2016 to June 2022, Forty Seven Inc., an immune-oncology company, from May 2018 to April 2020, and Shire Pharmaceuticals, Inc., a pharmaceutical company, from February 2017 to January 2019 (until its acquisition by Takeda Pharmaceutical Company Limited), and Kite Pharma, Inc., a biotechnology company, from January 2017 to October 2017. From September 2017 to September 2020, Mr. Clark was an Operating Partner at Blackstone Life Sciences, formerly Clarus Ventures, LLC, a venture capital firm. Prior to that, he served as Chief Executive Officer of Genentech, Inc., a biotechnology company, including as a member of the board of directors from January 2010 to December 2016. Prior to that, he served as the Executive Vice President and Chief Marketing Officer of the Roche Group, a healthcare company, from April 2009 to December 2009. He first joined Genentech in January 2003 as Senior Vice President, General Manager of BioOncology. Prior to Genentech, Mr. Clark spent 23 years in the biopharmaceutical industry in senior roles at Novartis International AG, a pharmaceutical company, Ivax Pharmaceuticals, Inc., a pharmaceutical company, and Sanofi S.A., a healthcare and pharmaceutical company, in the United Kingdom, France and Eastern Europe. He started his career at G.D. Searle, LLC, a subsidiary of biotechnology company Monsanto Corporation, holding positions in sales and marketing. Mr. Clark received his B.S. in Biological Sciences and an Honorary Doctorate of Science from Southampton University in the United Kingdom. We believe Mr. Clark is qualified to serve on our Board of Directors due to his extensive experience in the biopharmaceutical industry, both as an executive officer and as a director of multiple public and private companies.
Cyrus L. Harmon, Ph.D. has served as a member of our Board of Directors since August 2006. Dr. Harmon is one of our co-founders, and he served as our President and Chief Executive Officer from March 2007 to September 2020, then as our Chief Technology Officer from September 2020 until July 2022, and then as our Chief Research Officer from July 2022 to March 2023. From 2000 to 2002, Dr. Harmon served as the Vice President of Computational Genomics and General Manager at Affymetrix, Inc., a biotechnology company that was later acquired by Thermo Fisher Scientific in 2016. From 1996 to 2000, Dr. Harmon founded and served as the Chief Executive Officer of Neomorphic, Inc., a computational biology company, until it was acquired by Affymetrix, Inc. Dr. Harmon received a B.A. and Ph.D. in Molecular and Cell Biology from the University of California, Berkeley. We believe that Dr. Harmon is qualified to serve on our Board of Directors due to his extensive training as a scientist, significant knowledge and experience with respect to the biotechnology and pharmaceutical industries, and the perspective and experience he brings as one of our co-founders.
Sandra J. Horning, M.D. has served as a member of our Board of Directors since November 2020. Dr. Horning served as the Chief Medical Officer and Global Head of Product Development of Roche, Inc., a healthcare company, from January 2014 until her retirement in October 2019, and prior to that as Global Head of Oncology Product Development of Roche, Inc. from September 2009 to December 2013. From July 1980 until August 2009, Dr. Horning was a practicing oncologist, investigator and tenured professor at Stanford University School of Medicine, where she remains a professor of medicine emerita. From 2005 to 2006, Dr. Horning served as the President of the American Society of Clinical Oncology. From April 2015 to July 2018, Dr. Horning served as a member of the board of directors of Foundation Medicine, Inc., a molecular information company. She has also served as a member of the board of directors of Moderna, Inc., a pharmaceutical and biotechnology company, since March 2020, Gilead Sciences, Inc., a biopharmaceutical company, since January 2020, and EQRx, Inc., a biotechnology company, since August 2020. Dr. Horning received an M.D. from the University of Iowa School of Medicine and completed her internal medicine training at the University of Rochester and a fellowship in Oncology and Cancer Biology at Stanford University. We believe that Dr. Horning is qualified to serve on our Board of Directors due to her significant experience in the field of oncology and her product development leadership experience.
Gorjan Hrustanovic, Ph.D. has served as a member of our Board of Directors since July 2018. Dr. Hrustanovic has served as a Principal at BVF Partners L.P., a biotechnology investment firm that, together with its affiliates, is a holder of greater than 10% of our outstanding common stock, since July 2018 and as an Analyst from September 2015 to July 2018. Dr. Hrustanovic has also served as a member of the boards of directors of Kymera Therapeutics Inc., a biopharmaceutical company, since March 2020, Rain Oncology, Inc., a biotechnology company, since May 2018, and a number of privately held companies. Dr. Hrustanovic received a B.S. in Molecular Biology and a B.S. in Management Science from the University of California, San Diego, and a Ph.D. in Cancer Biology & Cell Signaling from the University of California, San Francisco. We believe Dr. Hrustanovic is qualified to serve on our Board of Directors due to his experience in the life sciences industry as a venture capitalist and a director.
Graham Walmsley, M.D., Ph.D. has served as a member of our Board of Directors since March 2020. Dr. Walmsley is a Founding Member and has served as a General Partner of Logos Global Management, LP, a biotechnology-focused hedge fund, since August 2019. From July 2016 to August 2019, he served as a Principal at Versant Ventures, a healthcare