Education / Graduate Medical Education / Prospective Residents / Therapeutic Medical Physics Residency Program / Residents and Faculty Faculty Resident Joshua Wancura, Ph.D. 2022 Resident Faculty Michael Ashenafi, M.S. Physicist Timothy Barry, M.S. Physicist Yuhchyau Chen M.D. Department Chair Olga Maria Dona Lemus, Ph.D. Physicist Hyunuk Jung Ph.D. Physicist Ahmad Matloubieh, M.S. Physicist Matthew Pacella, M.S. Physicist Clayton Stablein, M.S. Physicist Sean Tanny, Ph.D. Physicist Matt Webster Ph.D. Physicist, Program Director Jihyung (James) Yoon Ph.D. Physicist Dandan Zheng, Ph.D. Chief Physicist