Billy De La Espriella joined the NAU Strength & Conditioning staff in the spring of 2021. He is currently responsible for the men's & women's tennis teams and cross country program.
 
De La Espriella recently spent time interning at UCLA, working with baseball, men's water polo, women's volleyball, beach volleyball, softball and women's soccer. He also spent time at Fairfield University coaching men's rugby and women's rowing, as well as assisting with men's and women's basketball, volleyball, men's and women's lacrosse, men's soccer, baseball, softball, and men's and women's Tennis.
 
De La Espriella attended Springfield College where he played men's volleyball for three years after transferring from Cal State Northridge. During his time at Springfield College, his team won two National Championships.

He graduated in the Spring of 2018 with a bachelor's degree in Applied Exercise Science with a concentration in Human Performance. He holds his NSCA -CSCS (Certified Strength and Conditioning Specialist) and is First Aid, CPR and AED certified.