Dr. Kelly Johnson-Arbor is a physician who is triple board-certified in Emergency Medicine, Medical Toxicology, and Undersea and Hyperbaric Medicine. She completed her undergraduate education at Harvard College and earned her medical degree from Loyola University Stritch School of Medicine. She completed a residency in Emergency Medicine at the University of Rochester, followed by a fellowship in Medical Toxicology at the University of Connecticut. From 2018 through 2023, she served as the co-medical director of National Capital Poison Center. Since 2015, she has served as medical director of hyperbaric medicine at MedStar Georgetown University Hospital. She is an Assistant Professor of Plastic Surgery and Emergency Medicine at the Georgetown University School of Medicine and serves as an associate faculty member of the MedStar Institute for Quality and Safety. 

An avid researcher and writer, Dr. Johnson-Arbor has published numerous articles in peer-reviewed medical journals including New England Journal of Medicine, JAMA Internal Medicine, and Annals of Emergency Medicine. She enjoys teaching toxicology principles and hyperbaric medicine to the public as well as medical professionals.