Stephen Oh, M.D., Ph.D., is an Associate Professor of Medicine and Co-Chief of the Division of Hematology at Washington University School of Medicine. Dr. Oh’s clinical practice and research efforts are focused on myeloproliferative neoplasms (MPNs). His laboratory investigates fundamental mechanisms driving the initiation, development, and progression of MPNs, with a particular focus on inflammatory cytokine signaling networks in MPNs. The long-term objective of his work is to translate the findings from his laboratory research into improved therapies for MPN patients.