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Dr. William Greene’s leadership positions have included founder, biotechnology executive, investor, and clinician. As CEO, he built Iconic Therapeutics through discovery, clinical development and venture financing, leading to a successful sale of the company. He later helmed longevity biotech company Fountain Therapeutics and co-founded digital therapeutics startup Pear Therapeutics. 

Dr. Greene spent 12 years at MPM Capital where he was a Managing Director and member of its Investment Committee, responsible for biotechnology and medical technology investments worldwide. He was also founding Chairman and head of the Investment Committee at the Global Health Investment Fund, a groundbreaking impact-oriented venture fund in collaboration with the Gates Foundation, which successfully scaled both investment returns and health impact simultaneously. 

Earlier in his career, Dr. Greene was an Assistant Professor of Medicine at University of California at San Francisco (UCSF) and led clinical trials and strategy for a variety of therapeutic areas at Genentech. 

Dr. Greene earned his BA from Wesleyan University and his MD from UCSF. He was a Robert Wood Johnson Clinical Scholar at Yale and a Howard Hughes Medical Institute Research Scholar at the US National Institutes of Health (NIH).

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