He is Director of Transfusion Services at the Hospital of the University of Pennsylvania where he attends on the transfusion and apheresis services. He also serves as an IRB chair. His research program encompasses both Apheresis and Transfusion medicine with a focus on hemostasis. His basic research focuses on the pathophysiology, diagnosis and treatment of heparin induced thrombocytopenia (HIT). He has been a member of the ASFA Board of Directors since 2009 and is currently serving as Treasurer.