National Grand Rounds - December 2026

Dr. Nicholas Nacca is the director of Medical Toxicology and Medical Toxicology Fellowship Director at the University of Rochester Medical Center. In addition to being faculty member in the Department of Emergency Medicine he holds a secondary appointment in the Department of Environmental Medicine. His primary role is staffing the educational and clinical medical toxicology consultation service, with educational responsibilities to medical toxicology fellows, multidisciplinary teams of medical residents, pharmacy residents and students, as well as medical students. He staffs and directs a referral based outpatient Medical Toxicology Clinic.

Dr. Ophir Lavon is a board-certified medical toxicologist, clinical pharmacologist, and internal medicine specialist. He is the director of the Clinical Pharmacology and Toxicology Unit at Carmel Medical Center (Haifa, Israel), and leads its fellowship program. Dr. Lavon is the current chairperson of the Israeli Society for Clinical Pharmacology and the immediate past chair of the Israel Society of Toxicology (both affiliated with the Israel Medical Association). Dr. Lavon is a board member of the European Association of Poison Centres and Clinical Toxicologists (EAPCCT) and serves as the chairperson of its Communication Committee. He is an active member of ACMT and AACT. Dr. Lavon is a senior lecturer at the Rappaport Faculty of Medicine of the Technion – Israel Institution of Technology, Haifa, Israel. Dr. Lavon is the chair of several advisory committees for the Israel Ministry of Health, including the Advisory Committee for Preparedness and Response to Toxicological Mass Casualties Events and the National Committee for Antidotes. Dr. Lavon served for several years as a medical consultant at the Israel Poison Information Center, and he is the former director of the Patient Safety and Risk Management Unit at Carmel Medical Center.