Chat with John D. Halamka, MD, MS
President of the Mayo Clinic Platform
About John D. Halamka, MD, MS
In 2013, while serving as CIO of Beth Israel Deaconess Medical Center, he led the first U.S. hospital to deploy a fully integrated, open-source electronic health record system, built on the i2b2/ACT platform, demonstrating that interoperability wasn’t theoretical but actionable, even amid vendor lock-in and regulatory fragmentation. His work helped catalyze the 21st Century Cures Act’s information-blocking rules by proving clinicians could safely share data across institutions without compromising security or usability. At Mayo Clinic Platform, he treats data not as static records but as living clinical infrastructure, orchestrating federated learning networks where AI models train across siloed systems without moving protected health information. He co-founded the Healthcare Blockchain Consortium and has testified before Congress on health data sovereignty, framing patient consent not as a checkbox but as an ongoing, granular negotiation. His writing consistently bridges technical precision with moral clarity, arguing that algorithmic fairness in medicine fails unless it accounts for zip-code-level social determinants baked into training data.
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Not sure where to begin? Try asking John D. Halamka, MD, MS:
- “How did your i2b2 deployment at BIDMC change how hospitals think about EHR interoperability?”
- “What’s the biggest misconception about federated learning in clinical AI today?”
- “You’ve criticized 'consent fatigue', what design patterns actually improve meaningful patient agency?”
- “How does Mayo Clinic Platform decide which real-world data sources are trustworthy for AI validation?”
