He launched the Norman Marcus Pain Institute for the treatment, relief, and management of pain in 1998. He is a pioneering author of two books – Freedom from Pain and End Back Pain Forever. A past president of the American Academy of Pain Medicine, Dr. Marcus is a member of five professional societies and has presented over 100 lectures about diagnosing and treating pain to audiences throughout the world. Currently, he is both the Director of Muscle Pain Research and an Associate Professor of anesthesiology and psychiatry at the New York University School of Medicine in NYC.