Dr. Butler is a Hematologist at Mays MD Anderson Cancer Center in San Antonio, Texas, with a a primary clinical and research focus in multiple myeloma. He grew up in Nova Scotia, Canada, and received his medical degree from Saba. He completed his internal medicine residency at Geisinger in Pennsylvania before starting his fellowship at UT Health San Antonio in 2015. He joined the faculty as an Assistant Professor of Medicine in 2018.