Daniery Rosario is a certified mental performance consultant. He owns MNTL Performance LLC, and specializes in mental skills training for teen and adult athletes. He supports athletes by training breathwork, attentional strategies, and self-talk techniques to help optimize performance.

He currently serves as an Adjunct Professor at Dominican University of California's Applied Sport and Performance Psychology graduate program and is a founder and Lab Coordinator at the Combat Sports Psychology Lab. He is a former football player and athlete in Brazilian Jiu-Jitsu and MMA, and enjoys coaching athletes from all sports and skill levels. Daniery is bilingual and can offer his services in English and Spanish.