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Harold Bernstein, M.D., Ph.D., joined BioMarin in 2021 and currently serves as Senior Vice President, Chief Medical Officer and Head of Global Clinical Development.

Dr. Bernstein brings more than three decades of experience in translational medicine and clinical development both in industry and academia. In this role, he is responsible for fortifying clinical development from early to late stages, working seamlessly with research discovery and overseeing the late stage and life cycle products. Most recently, Dr. Bernstein was Head of Translational Medicine, and Vice President of Global Medicines Development at Vertex. He previously had roles of increasing responsibility at Merck including Head of Cardiometabolic Diseases. He was Professor of Pediatric Cardiology and a senior investigator at the Cardiovascular Research Institute and the Broad Center of Regeneration Medicine at the University of California, San Francisco (UCSF). He also served as attending physician at UCSF Benioff Children’s Hospital in Pediatric Cardiology, and in Cardiovascular Genetics. Dr. Bernstein currently holds appointments as attending cardiologist at Mount Sinai Kravis Children’s Hospital in New York, as well as Adjunct Professor of Pediatrics at the Icahn School of Medicine at Mount Sinai. He studied biomedical science, human genetics, and medicine at the Mount Sinai School of Medicine, earning an MPhil, PhD, and MD. He completed a pediatric residency, cardiology fellowship, and postdoctoral fellowship at UCSF and earned an undergraduate degree in biological sciences from Harvard University.


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