Peter is the vice chairman and clinical director of the Stony Brook University Hospital ED in New York. Under his leadership, Emergency Medicine became a Department in the Medical School. Known for his engaging teaching style, Peter received the Aesculapius Award for Excellence in Teaching from the SUNY School of Medicine in 2003. He is the editor of Handbook of Toxicology. His areas of research include overcrowding, patient safety, medical errors, head and cervical spine injuries, and residency education. Peter has served in numerous leadership positions at the state and national levels of the ACEM and the SAEM. He is a frequent lecturer on emergency medicine topics at the local, state, national and international level.