global-blood-therapeutics
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Josh Lehrer
Josh Lehrer is a physician-scientist and biotech executive serving as CEO of Marea Therapeutics, a clinical-stage company harnessing human genetics to develop first-in-class medicines for cardiometabolic diseases. A cardiologist by training with degrees from Harvard, Cambridge, and UCSF, Lehrer brings over two decades of drug development experience spanning Genentech, Global Blood Therapeutics (where he oversaw the FDA approval of Oxbryta for sickle cell disease), and Graphite Bio. At Marea, he has led the company from a Third Rock Ventures incubation to a $190 million-funded enterprise with two clinical-stage programs showing strong early efficacy data, including a 53% reduction in remnant cholesterol with MAR001 published in The Lancet.
Jung Choi
Jung Choi is the President and CEO of Alterome Therapeutics, a clinical-stage precision oncology company pioneering mutation-specific cancer drugs. With over 20 years in biopharmaceutical leadership - spanning Gilead Sciences, InterMune, Chimerix, and Global Blood Therapeutics where he led a $5.4B Pfizer acquisition - Choi brought deal-making, strategy, and operational depth to Alterome when he was appointed CEO in April 2025. Under his leadership, Alterome has advanced two first-in-class inhibitors into Phase 1/1b trials targeting KRAS and AKT1 E17K oncogenic drivers, backed by $231M in total funding including a $132M Series B.