Dr. Zendejas was born in Mexico City and earned his medical degree at the National Autonomous University of Mexico. He then completed his general surgery residency training in Mexico City at Instituto Nacional de Ciencias Medicas and a transplant clerkship at the University of Alabama in 2006.

His general surgery chief residency, abdominal transplant and hepatobiliary surgery fellowship were completed at the University of Florida in 2008. Dr. Zendejas was appointed assistant professor of surgery in the division of transplantation and hepatobiliary surgery at the same institution until 2016. He is a board-certified surgeon in general surgery by the American Board of Surgery. He is a member of the American Society of Transplant Surgeons and the American Hepato-pancreato-biliary Association. He and his wife Gaby enjoy concerts and outdoor activities with their three kids.