Randy Bergen has been a member of a variety of professional associations including the California Medical Association and American Academy of Pediatrics and has chaired various Kaiser Committees. In addition to serving as a Senior Physician, Dr. Bergen is a clinical site investigator for the Northern California Kaiser Permanente Vaccine Safety Study Center and the clinical lead for the Northern California Kaiser Permanente Influenza Vaccine Program. Dr. Bergen received his medical degree from the University of Minnesota, Minneapolis and an MPH from the University of California, Berkeley. He completed a pediatric infectious diseases fellowship at Stanford University Medical Center. He has co-authored journal articles regarding varicella-zoster virus, influenza vaccine, and other clinical topics.