Dr. Erkan is an Associate Physician-Scientist at the Barbara Volcker Center for Women and Rheumatic Diseases, Associate Attending Rheumatologist and Clinical Researcher at Hospital for Special Surgery, and Associate Professor of Medicine at Weill Cornell Medical College. In addition to his rheumatology practice, Dr. Erkan has a long-standing research interest in Antiphospholipid Syndrome (an autoimmune clotting disorder) and Systemic Lupus Erythematosus (SLE or "lupus").