Board of Directors

Athena Countouriotis, M.D., has been elected to become a member of our board of directors upon the effectiveness of the registration statement of which this prospectus is a part. Dr. Countouriotis has also served as Chief Executive Officer and a member of the board of directors of Turning Point Therapeutics Inc. since October 2018, and from May 2018 to September 2018, she served as Chief Medical Officer of Turning Point Therapeutics. Dr. Countouriotis served as Senior Vice President and Chief Medical Officer for Adverum Biotechnologies, Inc. from June 2017 to May 2018, and before that served as Senior Vice President, Chief Medical Officer of Halozyme Therapeutics, Inc. from January 2015 to May 2017. Dr. Countouriotis also served as Chief Medical Officer of Ambit Biosciences Corporation from February 2012 until Ambit's acquisition by Daiichi Sankyo Company in November 2014. Earlier in her career, Dr. Countouriotis led various clinical development organizations within Pfizer Inc. and Bristol-Myers Squibb Company for oncology therapeutics. Dr. Countouriotis currently serves on the boards of directors of Iovance Biotherapeutics, Inc. and Trovagene, Inc., both public oncology therapeutics companies. Dr. Countouriotis earned a B.S. from the University of California, Los Angeles, and an M.D. from Tufts University School of Medicine. She received her initial training in pediatrics at the University of California, Los Angeles, and additional training at the Fred Hutchinson Cancer Research Center in the Pediatric Hematology/Oncology Program. We believe that Dr. Countouriotis is qualified to serve on our board of directors due to her broad oncology biotech leadership experience and history of guiding multiple development programs to approval.

Bruce A. Goldsmith, Ph.D, M.B.A. has served as our Chief Executive Officer and President and as a member of our board of directors since January 2020. Dr. Goldsmith served as an Advisor and Venture Partner at Deerfield Ventures from January 2019 to January 2020. From April 2019 to January 2020, Dr. Goldsmith also served as Interim Chief Executive Officer of Civetta Therapeutics. Prior to that, Dr. Goldsmith served initially as Chief Business Officer and then as Chief Operating Officer at Lycera, Corp. from April 2013 to January 2019. From 2008 to 2012, Dr. Goldsmith served as Vice President and then Senior Vice President of Corporate Development at Allos Therapeutics. Prior to Allos, Dr. Goldsmith served in various leadership roles at GPC Biotech in 2007 and Tibotec Therapeutics, a subsidiary of Johnson & Johnson, from 2005 to 2007. Dr. Goldsmith also previously held various positions at Johnson & Johnson in oncology global strategic marketing, business development and licensing and acquisition finance. Prior to joining Johnson & Johnson, Dr. Goldsmith was a research fellow at Novartis Pharma, K.K., where he conducted scientific research in a neurodegeneration drug discovery group. Dr. Goldsmith received a B.A. in Biology from Colgate University, a Ph.D. in Biology with a research thesis in neuroscience from the University of Pennsylvania, and an M.B.A. from Columbia University. We believe that Dr. Goldsmith is qualified to serve on our board of directors due to his experience in the biopharmaceutical and biotechnology industry.

Patrick Heron has served as a member of our board of directors since September 2018. Mr. Heron is also a general partner with Frazier Life Sciences, a position he has held since 1999. Mr. Heron has been active in company formations and initial investments in various biotechnology companies, including Marcadia Biotech Inc., Calixa Therapeutics, Inc. and VentiRx Pharmaceuticals, Inc. Mr. Heron also led Frazier's involvement in MedPointe Inc. Prior to joining Frazier Life Sciences, Mr. Heron worked at McKinsey & Co. Mr. Heron currently serves on the boards of directors of Mirum Pharmaceuticals, Inc. and Iterum Therapeutics plc, both publicly-traded pharmaceutical companies, as well as several private companies. Mr. Heron previously served on the boards of directors of Tobira Therapeutics, Inc. and Collegium Pharmaceuticals, Inc., both pharmaceutical companies. Mr. Heron received a B.A. in Political Science from the University of North Carolina at Chapel Hill and an M.B.A. from Harvard Business School. We believe that Mr. Heron is qualified to serve on our board of directors due to his extensive business experience and experience in the venture capital and life science industry.

Saqib Islam, has served as a member of our board of directors since March 2019. Mr. Islam has also served as Chief Executive Officer and a member of the board of directors of SpringWorks Therapeutics, Inc., a biopharmaceutical company, since August 2018, and from August 2017 to August 2018, he served as Chief Financial Officer and Chief Business Officer of SpringWorks. From February 2016 to August 2017, Mr. Islam served as Chief Business Officer at Moderna Therapeutics, Inc., a biotechnology company. From February 2013 to February 2016, Mr. Islam served as Executive Vice President, Chief Strategy and Portfolio Officer at Alexion Pharmaceuticals, Inc., a pharmaceutical company. Prior to joining Alexion, Mr. Islam worked for more than 25 years in international business management with a focus on business development, strategic decision-making and planning and capital markets, previously holding managing director positions at Morgan Stanley and Credit Suisse. Mr. Islam received a B.A. in Commerce from McGill University and a J.D. from Columbia Law School. We believe that Mr. Islam is qualified to serve on our board of directors due to his experience and expertise in operations management and executive leadership at various biopharmaceutical and biotechnology companies.

Sandip Kapadia, MBA, CPA, has served as member of our board of directors since December 2019. Mr. Kapadia brings over 20 years of life science industry experience and has served as the Chief Financial Officer for Intercept Pharmaceuticals, Inc. since July 2016. Previously, Mr. Kapadia served in various leadership capacities within finance over 19 years at Novartis International AG and Novartis affiliates in the United Kingdom, Netherlands, Switzerland and the U.S. Mr. Kapadia received a B.S. in Accounting from Montclair State University and an M.B.A. from Rutgers University, and is also a U.S. Certified Public Accountant. We believe that Mr. Kapadia is qualified to serve on our board of directors due to his leadership experience in the biopharmaceutical industry and finance expertise.

Liam Ratcliffe, M.D., Ph.D., has served as a member of our board of directors since September 2019. Dr. Ratcliffe has also served as the Head of Biotechnology at Access Industries since April 2019. From September 2008 to April 2019, Dr. Ratcliffe served as Managing Director at New Leaf Venture Partners, a healthcare venture capital firm, where he focused on investing in therapeutics and therapeutic platform companies. Prior to joining New Leaf, Dr. Ratcliffe held various positions of increasing responsibility at Pfizer Inc., a multinational pharmaceutical corporation, including Senior Vice President and Development Head for Neuroscience, and Worldwide Head of Clinical Research and Development. Dr. Ratcliffe currently serves on the board of directors of Arvinas, Inc. Dr. Ratcliffe previously served on the boards of directors of Unum Therapeutics, Inc., Edge Therapeutics, Inc., Array Biopharmaceuticals, Inc., Deciphera Pharmaceuticals, Inc. and Aptinyx Inc. Dr. Ratcliffe received an M.B.A. from the University of Michigan and an M.D. and Ph.D. in Immunology from the University of Cape Town, and he completed his internal medicine training and fellowship in Immunology at Groote Schuur Hospital and associated teaching hospitals in Cape Town, South Africa. We believe that Dr. Ratcliffe is qualified to serve on our board of directors due to his extensive experience in the venture capital industry, medical and scientific background and training, and leadership at various biopharmaceutical and biotechnology companies.

Stephen Squinto, Ph.D., has served as our Acting Head of Research and Development since January 2020, and prior to that served as our interim Chief Executive Officer from September 2018 to January 2020. Dr. Squinto has served as a member of our board of directors since September 2018. Dr. Squinto has also served as an Executive Partner at OrbiMed Advisors LLC since January 2015. Since August 2017, Dr. Squinto has also served as acting Head of Research and Development of SpringWorks Therapeutics, Inc., a biopharmaceutical company. Dr. Squinto co-founded Alexion Pharmaceuticals and from January 2012 to January 2015, he served as its Executive Vice President and Chief Global Operations Officer and from 2007 to 2012, he served as its Global Head of Research and Development. Dr. Squinto currently serves on the board of directors of SpringWorks Therapeutics, Inc. Dr. Squinto previously served on the boards of directors of Arvinas, Inc., a pharmaceutical company, and Audentes Therapeutics, Inc., a biotechnology company. Dr. Squinto received a B.A. in Chemistry and a Ph.D. in Biochemistry and Biophysics from Loyola University of Chicago. We believe that Dr. Squinto is qualified to serve on our board of directors due to his experience in the biopharmaceutical and biotechnology industry, including his operational experience in drug discovery and development.

Thomas Woiwode, Ph.D., has served as a member of our board of directors since September 2018. Since 2002, Dr. Woiwode has served in various investment and operational roles at Versant Venture Management, LLC, a healthcare investment firm, including Managing Director since July 2014 and a Venture Partner from 2011 to 2014. From 2011 to 2013, Dr. Woiwode served as Chief Operating Officer of Okarios AG, a biopharmaceutical company. Previously, Dr. Woiwode co-founded EuroVentures, a wholly owned biotechnology incubator within Versant Venture Management, LLC, and in this role, served as the founding Chief Business Officer for three biotechnology portfolio companies. Prior to Versant, Dr. Woiwode served as a Research Scientist at XenoPort, Inc., a biotechnology company. Dr. Woiwode currently serves on the boards of directors of Gritstone Oncology, Inc. and Adverum Biotechnologies, Inc., as well as several private companies. Dr. Woiwode previously served on the board of directors of Audentes Therapeutics, Inc. and Crispr Therapeutics AG, both public biotechnology companies. Dr. Woiwode received a B.A. in English and a B.S. in Chemistry from the University of California, Berkeley and a Ph.D. in Organic Chemistry as an NSF Fellow from Stanford University. We believe that Dr. Woiwode is qualified to serve on our board of directors due to his educational background, experience as a board member and senior executive of biotechnology and pharmaceutical companies, and experience as an investor in new life sciences companies.

Tadataka Yamada, M.D., has served as Chairman of our board of directors since July 2017. Dr. Yamada has served as a Venture Partner at Frazier Life Sciences since June 2015. From September 2017 to January 2020, Dr. Yamada served in a non-employee capacity as our President and Treasurer. From June 2011 to June 2015, Dr. Yamada served as the Chief Medical and Scientific Officer of Takeda Pharmaceutical Company Ltd. From 2006 to 2011, Dr. Yamada served as President of the Global Health Program of the Bill & Melinda Gates Foundation. Previously, Dr. Yamada served as Chairman of Research and Development of GlaxoSmithKline Inc., a multinational pharmaceutical company, and he previously held research and development positions at SmithKline Beecham. Prior to that, Dr. Yamada served as Chairman of the Department of Internal Medicine at the University of Michigan Medical School and Physician-in-Chief of the University of Michigan Medical Center. Dr. Yamada is a member of the National Academy of Medicine, a Fellow of the Imperial College of Medicine, a Master of the American College of Physicians, a Fellow of the Royal College of Physicians, a Member of the American Academy of Arts and Sciences and a past-President of the American Gastroenterological Association and the Association of American Physicians. Dr. Yamada currently serves on the boards of directors of Agilent Technologies, Inc., a scientific instrument manufacturing and clinical diagnostics company, and Phathom Pharmaceuticals, Inc. Dr. Yamada previously served on the boards of directors of Takeda Pharmaceutical Company Ltd, GlaxoSmithKline Inc. and CSL Limited, a biotechnology company. Dr. Yamada received a B.A. in History from Stanford University and an M.D. from New York University School of Medicine. We believe that Dr. Yamada is qualified to serve on our board of directors due to his extensive research and experience in drug development, as well as his service as a director or officer of various biotechnology and biopharmaceutical companies.