Marty was born Martin Makary in Liverpool, England. Furthermore, he has dual nationality (British and American) and is of Caucasian ethnicity. When Makary was a child, his family relocated to Baltimore, Maryland.
Makary’s father worked as a hematologist at Danville’s Geisinger Medical Center. Before enrolling at Thomas Jefferson University, he attended Bucknell University. Makary went on to study at Harvard University, where he became president of the student body and served on the alumni board. He has a Masters of Public Health (M.P.H.) degree in Health Policy.