He has clinical interests in systemic autoimmune diseases including antiphospholipid syndrome, systemic lupus erythematosus, vasculitis and myositis. Dr. Kriegel completed his medical and doctorate degrees at Friedrich-Alexander University of Erlangen-Nurnberg, Germany. He has a postdoctoral fellowship in immunobiology from Yale School of Medicine. He completed his residency at Beth Israel Deaconess Medical Center and a fellowship in rheumatology at Brigham and Women’s Hospital.