Sameer H. Ladha, J.D., M.S. Deputy Academic Director and Lecturer, Bioethics Programs Bioethics In the News Faculty "The Most Difficult Aspect of This Is the Unknown": Bioethics Leader Sameer Ladha Reflects on a Positive COVID-19 Diagnosis Ladha shares the experience of a COVID-19 diagnosis with his colleague, Narrative Medicine Academic Director Craig Irvine. Alumni Jennifer M. Gumer: Discovering Bioethics at the Intersection of Science and the Law Columbia's M.S. in Bioethics program connects the dots between a career in law and a lifelong interest in science.