John D. Halamka, MD, MS, is Chief Information Officer of the CareGroup Health System, Chief Information Officer and Associate Dean for Educational Technology at Harvard Medical School, Chairman of the New England Health Electronic Data Interchange Network (NEHEN), CEO of MA-Share, Chair of the Healthcare Information Technology Standards Panel (HITSP), Chief Information Officer of the Harvard Clinical Research Institute and a practicing Emergency Physician.

As Chief Information Officer at CareGroup, he is responsible for all clinical, financial, administrative and academic information technology serving 3,000 doctors, 12,000 employees and one million patients. As Chief Information Officer and Associate Dean for Educational Technology at Harvard Medical School, he oversees all educational, research and administrative computing for 18,000 faculty and 3,000 students. As Chairman of NEHEN he oversees the administrative data exchange in Massachusetts. As CEO of MA-Share he oversees the clinical data exchange efforts in Massachusetts. As Chair of HITSP he coordinates the process of electronic standards harmonization among all the stakeholders nationwide.