Prof.  Gelb, originally from South Africa, is a Distinguished Professor of Anesthesia at UCSF. He has served as the leader in multiple national and international Anesthesia Societies and has been the President of 3 societies - the International Anesthesia Research Society (IARS), the Society for Neuroscience in Anesthesiology and Critical Care (SNACC), and the International Society for Anesthetic Pharmacology (ISAP). He served on the California Society of Anesthesiologists Executive Committee. As the current Secretary of the World Federation of Societies of Anaesthesiologists (WFSA) 2016-2020, he actively interacts with multiple WHO portfolios including Essential Surgery, Medications, and Patient Safety. He previously chaired the WFSA Patient Safety & Quality of Practice committee.