Dionne Calhoun, was named the Dallas Mavericks head athletic trainer in 2019 after serving as the Mavericks assistant athletic trainer for 15 seasons. Joining the Mavericks as assistant athletic trainer in 2004, in 2014, he was named associate head athletic trainer.

Calhoun served as an athletic trainer for the 2019 USA Basketball National Team during its national team tour and the 2019 FIBA World Cup in China.

Calhoun also spent four summers as the athletic trainer for the NBA’s Basketball Without Borders program in Africa and four times has worked the Pete Newell Big Man Camp (Las Vegas and Hawaii). During the summer of 2007, he served as an athletic trainer for the Senegalese Men’s National Basketball Team.

Before joining the Mavericks, Calhoun served on the San Francisco 49ers training staff for two seasons. Prior to the 49ers, he worked at South Bay Spine and Sport as an athletic trainer, designing and implementing postoperative rehab programs and assessing patients. 

Calhoun received a bachelor’s degree in kinesiology, with an emphasis in athletic training, from San Diego State University in 2000. After graduation, he was the head football trainer at Marion Catholic High School (Imperial Beach, Calif.).

Dionne became interested in the field of athletic training while in high school. With no athletic trainers on site, he observed his basketball and track coaches taping and warming up athletes. This lead him to investigate who performs such services for professional and Olympic athletes. That is when Dionne started following Gary Vitti on the sidelines while watching Lakers games.

Born in Compton, Calif., Calhoun graduated from Banning High (Wilmington, Calif.) in 1995 and is a certified member of the National Athletic Trainers’ Association (NATA), the National Basketball Athletic Trainers’ Association (NBATA) and the National Academy of Sports Medicine (NASM), and is licensed as an athletic trainer in the state of Texas. For the 2012-13 season, Calhoun was named David Craig Assistant Athletic Trainer of the Year.