Stephen practiced for sixteen years as an Infectious Diseases physician in Atlanta, Georgia. He received his A.B. degree in microbiology from Cornell University, and his MD from the University of Miami School of Medicine. Stephen is Board Certified in Internal Medicine and Infectious Diseases.
Following medical school, Stephen completed his internship and residency in Internal Medicine at the Pennsylvania Hospital in Philadelphia. He continued his training at the University of Pennsylvania, completing his fellowship in Infectious Diseases. During fellowship, his clinical research focused on AIDS-related chronic diarrhea and wasting syndrome.
Stephen relocated to Atlanta after fellowship, joining Infectious Disease Specialists of Atlanta, where he later became a partner. Afterward, he was a founding member of AbsoluteCare, a private practice serving indigent patients with HIV. In addition, Stephen was Medical Director of Sterling Institutional Review Board, a large central IRB in Atlanta. Stephen joined Pfizer in 2007 as a Regional Medical and Research Specialist (RMRS) in HIV. Since that time, he has worked as an RMRS in Hepatitis C, ID, and for the past several years in Vaccines. Stephen is now Senior Director in Global Medical Affairs in Rare Disease at Pfizer. Also of note, Stephen is co-founder and co-lead for the Pfizer Global Center of Excellence on Active and Healthy Ageing.
During his career, Stephen has had extensive research experience, as a principal investigator and sub-investigator in many HIV and Infectious Disease clinical trials. He has been an investigator for the AIDS Research Consortium of Atlanta (ARCA) and for many pharmaceutical industry sponsored studies. As Medical Director of Sterling IRB, he developed an expertise in research protocol review, regulatory issues and the monitoring of adverse events. Stephen has lectured on topics in Vaccines, healthy ageing, HIV, as well as issues in Good Clinical Practice and the oversight of human participant research. In the past, Stephen has also focused his attention on teaching children and teens the value of social action and community service. Stephen currently resides in Connecticut with his wife Caryn Lobel, MD and their dog Doby.