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Ryder Deffinbaugh

Field Training Officer
ryder headshot

Ryder is currently a senior majoring in Medicine with minors in Biochemistry and Emergency Medical Services. He is originally from Los Angeles County, California and joined UAEMS in Spring of 2025. He began his role as FTO in Spring of 2026. In his free time, Ryder enjoys reading, watching baseball, and crocheting. After graduating, he plans on attending medical school to ultimately become a Pediatric Emergency physician.

“I am forever thankful that I applied for and joined UAEMS. Being part of this agency has given me invaluable experience both clinically and personally. I have been able to bond with such incredible people while directly serving my community; I can’t think of a better way to spend my time here at the University of Arizona.”