Matthew G. Mei, M.D., is an associate professor in the Department of Hematology & Hematopoietic Cell Transplantation who specializes in the treatment of lymphomas as well as stem cell transplantation and cellular immunotherapy. He earned his medical degree at Case Western Reserve University in Cleveland and completed his residency at University of California San Francisco. He completed a fellowship in hematology/oncology at City of Hope in 2014 and joined the hematology faculty that year. He is an active clinical researcher and has led multiple clinical trials in the areas of lymphoma, stem cell transplant, and immunotherapy. He is also heavily invested in medical education and is the program director for the ACGME hematology/oncology fellowship.