
Mark Michalski, M.D.
Radiologist, AI pioneer, healthcare executive, and entrepreneur
New York City
Joined July 2025
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Summary
Mark Michalski is a visionary leader at the intersection of healthcare, technology, and artificial intelligence. He currently serves as Chief Information Officer at Deerfield Management, driving AI and software innovation, and concurrently as CEO of Ascertain, an AI-driven automation platform for healthcare. His career is marked by pioneering the application of AI in clinical settings and leading strategic initiatives at major tech and healthcare organizations. deerfield+3
With a strong background as a board-certified radiologist, Dr. Michalski has consistently focused on leveraging technology to improve patient care and operational efficiency. His medical training and clinical experience inform his approach to developing and implementing AI solutions that address real-world challenges in healthcare delivery. aegisventures+3
His entrepreneurial spirit is evident through his leadership roles at multiple successful health-tech startups. He was President and Chief Medical Officer at Butterfly Network (point-of-care ultrasound) and Chief Medical Officer at Hyperfine Research (portable MRI), both of which went public. He also played a key role in the founding and development of Optain through Ascertain and Aegis Ventures. aegisventures+3
Dr. Michalski's academic and research contributions include serving as Founding Executive Director of Mass General Brigham AI (formerly the Center for Clinical Data Science), where he spearheaded numerous AI applications in clinical medicine and secured strategic partnerships. He also held faculty positions at Harvard Medical School and contributed to research on 3D printing in medicine during his time at Yale. aegisventures+3
His diverse educational background, including a B.S. in Cybernetics from UCLA, an M.D. from Stanford, and a PhD program in Investigative Medicine from Yale, showcases a multidisciplinary approach to problem-solving, blending biology, computer science, and engineering with medicine. deerfield+2
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