This document appears to be a resume for Didier Contreras. It includes contact information, educational background, certifications, and work experience. Specifically, it outlines that Contreras received a Master's degree in Performance Enhancement and Injury Prevention from California University of Pennsylvania in 2013. He is currently working as a Performance Specialist at HUMC Fitness & Wellness - Powered by the Giants in Hackensack, NJ, where he manages program development for around 80 athletes based on functional movement screenings.