Must We Always Obey Healthcare Proxies? Bioethics Bioethics CPA Bioethics Executive Education Play This event will have interactive online and in-person options. For questions, please contact Sameer H. Ladha at shl2159 [[at]] columbia [[dot]] edu (shl2159[at]columbia[dot]edu). Speakers Kenneth Prager Faculty Affiliate, Bioethics; Professor of Medicine/Director of Medical Ethics/Chairman of the Medical Ethics Committee, Columbia University Medical Center