Aaron was born and raised in Albuquerque. He attended Hope Christian High School and later completed his undergraduate studies at the University of New Mexico, where he graduated with honors. Aaron then attended the University of New Mexico School of Law where he received various academic awards. After law school, Aaron joined one of the largest insurance defense firms in New Mexico.
With his years of experience representing insurance companies, Aaron joined Mike Ross to form Ross & Garrett to help New Mexicans who have been injured at work or due to the negligence of others.