Dr. Katznelson is a staff anesthesiologist and medical director of the hyperbaric medicine unit in the department of Anesthesia and Pain Management at the Toronto General Hospital, University Health Network, and an Associate Professor of Anesthesia at the University of Toronto. She completed her training in anesthesia in Israel and obtained a fellowship in cardiac anesthesia and pain medicine at the University of Toronto. She has been practicing hyperbaric medicine since 2012. Dr. Katznelson is an author of multiple peer reviewed publications and book chapters and is a recipient of a number of peer reviewed research grants. Her areas of interest include postoperative neurocognitive dysfunction, chronic pain and the new therapeutic applications for hyperbaric medicine.