A fireside chat with Dr. Gary J. Nabel, M.D., Ph.D. Dr. Gary J. Nabel, M.D., Ph.D., is Chief Scientific Officer, Global Research and Development, and Head of the North American R&D Hub at Sanofi. In addition to serving as Senior Vice President for the company, Dr. Nabel also oversees the Breakthrough Lab, which developed the first trispecific antibodies now in development for HIV as published in Science, as well as, cancer immunotherapies and novel vaccines. The Chief Scientific Office sponsors the iAwards, the Postdoctoral and Innovation Fellows Programs, and the Global Science Awards.