Rennie studied history and philosophy at UC Santa Barbara then
earned a master’s in history at Ohio University. Following this,
he completed a post-baccalaureate program at Mills College in
Oakland, California, where he also volunteered at a needle
exchange and pursued research in UCSF’s emergency department.
While in medical school at UC Riverside, he conducted research on
trans medical education, founded the local chapter of Medical
Students for Choice, and served as clinic manager of a
student-run free clinic.