company was acquired by Gilead Sciences, Inc. (Nasdaq: GILD), a biopharmaceutical company. From 2007 to 2008, Dr. Gallagher was the President and Chief Executive Officer of Metastatix, Inc., a biopharmaceutical company. Prior to that time starting in 1989, she served in various roles at pharmaceutical companies, including at Eli Lilly and Company (NYSE: LLY), a multinational pharmaceutical company, Amgen, Inc. (Nasdaq: AMGN), a global biopharmaceutical company (“Amgen”), and Pfizer. Dr. Gallagher attended Vanderbilt University and holds a B.S. and Doctor of Pharmacy degrees from the University of Kentucky. We believe that Dr. Gallagher is qualified to serve on our board of directors due to her extensive experience in the pharmaceuticals industry, her leadership and management experience, and her service as a director of other biopharmaceutical companies.
David H. Mack, Ph.D. has served as a member of our board of directors since June 2013 and as our President and Chief Executive Officer since July 2013. Previously, Dr. Mack was a general partner at Alta Partners, a venture capital firm focusing on investments in biotechnology and life sciences companies, from 2002 to 2013. Prior to working at Alta Partners, Dr. Mack served as Vice President of Genomics Research at Eos Biotechnology, which was acquired by Protein Design Labs in 2003. From 1994 to 1997, Dr. Mack served as the Head of Cancer Biology at Affymetrix, a biotechnology company that was acquired by Thermo Fisher (NYSE: TMO) in January 2016, where he oversaw the development and application of DNA array technology in the areas of oncology and inflammation. Dr. Mack has co-authored more than 30 scientific articles and reviews, including papers published in Cell, Science, and Nature, and is an inventor on 26 issued U.S. patents. Dr. Mack was an American Cancer Society Postdoctoral Fellow in microbiology and immunology at Stanford University School of Medicine. Dr. Mack received a B.A. in Molecular Biology from the University of California, Berkeley and a Ph.D. in Molecular Genetics and Cell Biology from the University of Chicago. We believe that Dr. Mack is qualified to serve on our board of directors because of the perspective and experience he provides as our Chief Executive Officer as well as his broad experience in the biotechnology and life sciences industries.
Richard Heyman, Ph.D. has served as a member of our board of directors and as our Chairperson since June 2020. Dr. Heyman is the co-founder of ORIC Pharmaceuticals (Nasdaq: ORIC), a clinical-stage biopharmaceutical company (“ORIC”). Dr. Heyman has served on ORIC’s board of directors since March 2015 and was appointed to the chairman role in May 2018. From March 2021 through February 2023, Dr. Heyman served as chairman of Enliven Therapeutics, Inc. (Nasdaq: ELVN), a pharmaceutical company (“Enliven”), until its merger with Imara Inc., and since February 2023, has served as a member of Enliven’s board of directors. Dr. Heyman also serves as a member of the board of Vividion Therapeutics, a biopharmaceutical company, which was acquired in August 2021 by Bayer AG. Dr. Heyman served as Chairman of the board of directors of RayzeBio, Inc., a biopharmaceutical company, which was acquired in February 2024 by Bristol and Amunix Pharmaceuticals, an immuno-oncology company, which was acquired by Sanofi S.A. in December 2021. Previously, Dr. Heyman was the co-founder and Chief Executive Officer of Aragon Pharmaceuticals, a biotechnology company which was acquired by Johnson & Johnson (NYSE: JNJ), a multinational pharmaceutical, biotechnology and medical device company, in August 2013, and Seragon Pharmaceuticals, a pharmaceuticals company which was acquired by Roche Genentech in August 2014. Dr. Heyman has been involved in the discovery and development of multiple therapeutic agents approved by the U.S. Food and Drug Administration, including the prostate cancer drug, Erleada®. Since 2019, Dr. Heyman has served as a Venture Partner for Arch Ventures, a venture capital firm. Dr. Heyman is also Vice Chair of the Board of Trustees at the Salk Institute for Biological Studies and serves on the Board Foundation for the American Association for Cancer Research and on the board at the University of California at San Diego (“UCSD”) Moores Cancer Center. Previously, Dr. Heyman served on the board of directors of Gritstone bio, Inc. (Nasdaq: GRTS), a clinical-stage biotechnology company, Metacrine, Inc. (formerly Nasdaq: MTCR), a clinical-stage biopharmaceutical company, and Yumanity Therapeutics, Inc. (Nasdaq: YMTX), a biotechnology company. Dr. Heyman has won numerous awards, including the Ernst and Young San Diego Regional Entrepreneur of the Year, the Connect Hall of Fame Award, the Endocrine Society Outstanding Innovation Award and the UCSD Rell Sunn Award. Dr. Heyman received a B.S. in Chemistry from the University of Connecticut and a Ph.D. in Pharmacology from the University of Minnesota. We believe that Dr. Heyman is qualified to serve on our board of directors because of his perspective having served as both an executive and director of similar corporations, including public companies, his scientific background, and his extensive career in the biotechnology industry.
Laurie Stelzer has served as a member of our board of directors since August 2020. Since January 2025, Ms. Stelzer has served as the Chief Financial officer of Kailera Therapeutics, Inc. a clinical-stage biopharmaceutical company. Ms. Stelzer previously served as the Chief Financial Officer of Orna Therapeutics, a