Glenn Jordan Treisman is the Eugene Meyer III Professor of Psychiatry and Medicine at the Johns Hopkins University School of Medicine. He is Director of the AIDS Psychiatry Service, The Pain Treatment Program, and his most-recent effort as co-director of the Amos Center, a program that studies atypical GI disorders and the relationship between food, the nervous system of the GI tract, the microbiome, and disease. The Pain treatment Program provides care for chronic pain syndromes and is a national referral resource for patients with intractable pain.