Dr. John Jacob Freiberger


Dr. Freiberger is a native of Dallas, Texas and a graduate of the University of Texas Southwestern Medical School. He did his internship, residency, and Critical Care Fellowship in at the Department of Anesthesiology, Critical Care and Pain Medicine at the Massachusetts General Hospital in Boston. He earned a Masters in Public Health at the University of North Carolina and did a fellowship in Undersea and Hyperbaric Medicine at Duke.  He was an Associate Professor of Anesthesiology at Duke, a diplomat of the National Board of Public Health, the American Board of Anesthesiology, The American Board of Anesthesiology’s Special Qualifications in Critical Medicine, and the American Board of Preventive Medicine’s program in Undersea and Hyperbaric Medicine. He is a Fellow in Undersea and Hyperbaric Medicine (FUHM), a NOAA diving medical officer, the former program director for Duke’s ACGME approved Undersea and Hyperbaric Medicine fellowship, a NAVSEA funded investigator studying the cognitive effects of inert gas narcosis and hypercapnia during 200 EAD dives, former director of Duke’s course in the Medicine and Physiology of Extreme Environments, and the former director of Duke Dive Medicine, the extreme environment and diving injury consultation service hosted at the Duke Center for Hyperbaric Medicine and Environmental Physiology.

Dr Freiberger retired from active medical practice in 2020 but he has remained busy with his lifelong pursuits as a classical / flamenco guitarist, a boating afficionado, doing volunteer work as a Adjunct Professor at Duke, and as a grandfather.