After receiving an MD from University of Athens, he came to the Arthritis Branch in 1979 where he trained in immunology and rheumatology. Between 1987 and 2007 he was a member of the Uniformed Services/Walter Reed community where served in various positions including Vice Chair for Research in the Department of Medicine and Chief of the Department of Cell Injury. In 2007 he joined the Beth Israel Medical Center as Chief of Rheumatology and Harvard Medical School as Professor of Medicine. He has served various leadership positions including President of the Clinical Immunology Society. He has s...