Dr Esper is a board-certified oncologist and hematologist with Florida Cancer Specialists & Research Institute in Lee County. He began his medical career while serving in the U.S. Army at Fort Sam Houston, where he worked as a medical laboratory technician. In addition to his medical degree, he holds a PhD in molecular biology & genetics from Wayne State University in Detroit, where he also completed a post-doctoral research fellowship in the department of neurology & Center for Molecular Medicine. His work has been published in national and international journals, and he has authored several medical text book chapters.