Dennis, LPTA, was raised in Las Vegas, New Mexico. He graduated from Robertson High in 1981. As a graduate of NMHU with a Bachelor of Arts in Athletic Training in 1987, receiving a Masters of Sports Science (Sports Medicine) from the United States Sports Academy in 1988 and graduating from San Juan College with an Associates of Arts as a Physical Therapy Assistant, he has been practicing as an LPTA for more than 20 years.
Throughout his career, Dennis has treated a wide variety of injuries with an emphasis in sports injuries for patients ranging in age from 6 months to 100 years old.
Active in the community, he volunteers with both LVCS, and WLVS, to assess athletic injuries and is currently, President of LVSC Board of Education.