He is the immediate past Director of the Maguire Center for Ethics and Public Responsibility in Dallas. Tom teaches Health Care Law, Bioethics and Law, Nonprofit Organizations, Torts, and Legislation. He is also an Adjunct Associate Professor of Internal Medicine at the University of Texas−Southwestern Medical School, where he teaches medical ethics in the Colleges program program and offers a fourth-year elective in Medicine, Literature, and Law at both the law and medical schools.