• Robert Klitzman is a professor of psychiatry and director of the Masters of Bioethics Program at Columbia University. He is author of the book, "The Ethics Police?: The Struggle to Make Human Research Safe." He co-founded and for five years co-directed the Center for Bioethics, and for 10 years directed the Ethics and Policy Core of the HIV Center. He has conducted research and written about a variety of ethical issues in medicine and public health to promote public and professional education concerning these issues.