Dr. Petrosian grew up in Glendale, CA, where he first became interested in biological science. He attended The University of California, Merced, and graduated Cum Laude with a degree in Molecular and Cell Biology. He then attended St. George's University for medical school and graduated Magna Cum Laude. Dr. Petrosian returned to his hometown of Glendale to complete his Residency training in Family Medicine and served as Chief Resident during his final year. Dr. Petrosian is very committed to LGBTQ care and advocacy. During his free time, he enjoys indoor and outdoor cycling, running, hiking, and walks with his dog.