He is the Chair of the Division Performance Improvement Committee. Dr. Tishler has care and advocated for cancer survivors throughout his medical career. Currently he provides clinical physician support to the LIFE Service, in particular for patients with solid tumors. Dr. Tishler's administrative and research activities are focused on Performance improvement and Quality Outcomes. He provides instruction and supervision to clinical fellows in the Division of Hematology, Oncology and Blood & Marrow Transplantation as well as medical students at the Keck School of Medicine.