Dr. Alleman is board certified in occupational medicine, addiction medicine, and undersea & hyperbaric medicine. He is the chairman of the Physicians Diving Advisory Committee of the Association of Diving Contractors International and a member of the Diving Medical Advisory Committee. In his practice he has seen commercial divers who work for companies that are diving in the Gulf of Mexico, providing diving physicals and treatment of diving related disorders. He is the past president of the Gulf Coast Chapter of the Undersea and Hyperbaric Medical Society. He is currently working in Memphis Tennessee for the University of Tennessee Regional One Health Hospital as the medical director of the wound care and hyperbaric clinic.