Sam O'Brien has over 10 years of experience as an athletic trainer, including currently serving as the head athletic trainer at Lynnfield High School. He received his master's degree in physical education with an emphasis in athletic training from the University of South Carolina in 2014. His career includes experience at the high school and collegiate levels, as well as in physical therapy clinics. He has provided athletic training services for various sports teams and maintains professional certifications and involvement in the field.