Gail J. Maderis, M.B.A.


Gail J. Maderis, M.B.A. has served as President and CEO of Antiva Biosciences, a venture funded biopharma company developing topical therapies to treat the pre-cancerous lesions caused by HPV, since 2015.  From 2009 to 2015, Gail led BayBio, the industry organization representing and supporting Northern California’s life science community. From 2003 to 2009, Gail served as President and CEO of Five Prime Therapeutics, Inc., a protein discovery and development company. Prior to FivePrime, Gail held senior executive positions at Genzyme Corporation, including founder and president of Genzyme Molecular Oncology. Gail also practiced management and strategy consulting with Bain & Co. She serves on the corporate boards of Allarity Therapeutics and Valitor, Inc., as well as on the non-profit boards of BIO (Emerging Company and Health Sections), CLSI, The Termeer Foundation and the University of California Berkeley Foundation Board of Trustees. She received a BS in business from UC Berkeley and an MBA from Harvard Business School.

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