Dr. Howe's professional contributions center around his interest in ethics. He is the Editor-in-Chief of The Journal of Clinical Ethics and serves as a member of the Walter Reed Army Medical Center, National Naval Medical Center, and Malcolm Grow U.S. Air Force Medical Center Ethics Committees, as well as the Ethics Committees at Montgomery Hospice, the Visiting Nurse Association, Springfield Psychiatric Hospital, the V.A. Hospital of Washington, DC, and the National Institutes of Health. He is Chair of the Committee of Ethics Consultants to the Surgeons General, the Human Use Institutional Review Board, USUHS, and the Ethics Subcommittee, Society of Medical Consultants to the Armed Forces.