Since 1992, Dr. Dart has served as Director of the Rocky Mountain Poison and Drug Center and specializes in emergency medicine and toxicology. He is certified by the American Board of Emergency Medicine and American Board of Medical Toxicology.
He is also the Executive Director of Researched Abuse, Diversion and Addiction-Related Surveillance System (RADARS). He has published more than 250 papers and chapters, as well as served as editor for the book "The 5-Minute Toxicology Consult" and the third edition of "Medical Toxicology.