Paul Billings, MD, Ph.D, FACP, FACGMP is a Board certified internist and clinical geneticist. Dr. Billings is the Chairman of Biological Dynamics, Inc., an innovative cancer testing company in San Diego, CA and is also the CMO of Natera. Recently, he completed significant consultancies at Johnson & Johnson and Thermo Fisher Scientific (creating and directing the IMPACT Cancer Program). He has held academic appointments at Harvard University, U.C. San Francisco, Stanford University and U.C. Berkeley.