Maze Therapeutics Appoints Harold Bernstein, M.D., Ph.D., as President, Research and Development and Chief Medical Officer

Eric Green, M.D., Ph.D., Promoted to Chief Scientific Officer

SOUTH SAN FRANCISCO, CA., Oct. 12, 2022 – Maze Therapeutics, a company translating genetic insights into new precision medicines, today announced that Harold Bernstein, M.D., Ph.D., a 30-year industry veteran, has been appointed as president, head of research and development (R&D) and chief medical officer. In addition, Eric Green, M.D., Ph.D., who has served as Maze’s senior vice president, research and translational sciences, has been promoted to chief scientific officer.

“Harold brings an impressive combination of industry and academic experience, as well as the unique perspective of a practicing physician, to the Maze team at an important stage of our development. Further, with much of Harold’s experience having focused on human genetics, he is a natural candidate for this position, and I’m thrilled to welcome him to our team and mission,” said Jason Coloma, Ph.D., chief executive officer of Maze. “I am also pleased to announce the promotion of Eric to CSO, who has been a true leader and driving force behind much of Maze’s platform and pipeline advancement since our founding. Eric and Harold will be instrumental in executing the advancement of our diverse pipeline, which spans monogenic diseases like Pompe disease, and more complex diseases, like chronic kidney disease. I look forward to partnering with these two experts as we deliver on our vision of harnessing the power of human genetics to transform the lives of patients.”

“Maze has attracted some of the best minds in biotech and has proven itself through impressive progress since its founding, including the build-out of its Compass platform and rapid advancement into the clinic,” said Dr. Bernstein. “I was drawn to the Maze team’s lofty goal of shifting the paradigm in medicine, in particular for more complex diseases such as chronic kidney disease, during an unprecedented time for the field of genetics and precision medicine. As head of R&D, I look forward to shaping and contributing to a creative strategy and thorough scientific process aimed at delivering new, genetic-based medicines. I am thrilled to join the Maze team as we urgently work to create and advance therapeutically meaningful treatments to help patients in need.”

Dr. Bernstein brings more than three decades of experience in basic scientific research, translational medicine and clinical development both in industry and academia. He joins Maze from BioMarin, where he served as senior vice president, chief medical officer and head of global clinical development. In this role, he was responsible for fortifying clinical development from early to late stages, working seamlessly with research discovery and overseeing the late-stage and lifecycle products. Prior to BioMarin, he was head of translational medicine and vice president of global medicines development and medical affairs at Vertex, and earlier held roles at Merck, including head of early development for cardiometabolic diseases. Dr. Bernstein was professor of pediatrics and a senior investigator at the Cardiovascular Research Institute and the Broad Center of Regeneration Medicine and Stem Cell Research at the University of California, San Francisco (UCSF). He also served as attending physician at UCSF Benioff Children’s Hospital in pediatric cardiology, and at the Mount Sinai Kravis Children’s Hospital in cardiovascular genetics. Dr. Bernstein currently holds an appointment as adjunct professor of pediatrics and the Mindich Child Health and Development Institute 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 M.Phil., Ph.D. and M.D. He completed a pediatric residency, cardiology fellowship and postdoctoral fellowship at UCSF and earned an A.B. in biological sciences from Harvard College.


Dr. Green is a physician-scientist and entrepreneur with more than 15 years of experience building and operating innovative scientific organizations. Prior to Maze, Dr. Green was an entrepreneur-in-residence at Third Rock Ventures, where he was involved in launching and building multiple Third Rock portfolio companies, including MyoKardia where he led the translational research group working on mavacamten, which was eventually acquired by Bristol Myers Squibb. Dr. Green is a board-certified physician with training in internal medicine and cardiovascular medicine from Brigham and Women’s Hospital. He holds an M.D. and Ph.D. in chemical and systems biology from Stanford University and an A.B. in history and science from Harvard College.

About Maze Therapeutics

Maze Therapeutics is a biopharmaceutical company applying advanced data science methods in tandem with a robust suite of research and development capabilities to advance a pipeline of novel precision medicines for patients with genetically defined diseases. Maze has developed the Maze CompassTM platform, a proprietary, purpose-built platform that combines human genetic data, functional genomic tools and data science technology to map novel connections between known genes and their influence on susceptibility, timing of onset and rate of disease progression. Using Compass, Maze is building a broad portfolio of wholly owned and partnered programs. Maze is based in South San Francisco. For more information, please visit, or follow us on LinkedIn and Twitter.

Jillian Connell, Maze Therapeutics

Katie Engleman, 1AB