Dallas Mavericks

Address: 2500 Victory Ave., Dallas, TX 75219
Arena Name: American Airlines Center
Phone: (214) 655-4660

Dionne Calhoun

Head Athletic Trainer
Education: San Diego State University (B.S.)
Hometown: Compton, CA
NBATA Member Since: 2004
Dionne Calhoun joined the Mavericks as Assistant Athletic Trainer in 2004. In 2014 he was named Associate Head Athletic Trainer. In 2019 he was named Head Athletic Trainer.

Calhoun has served as an athletic trainer with the USA Men’s Senior National Basketball Team in the 2019 FIBA World Championships in Beijing, China and the 2020 Olympics games in Tokyo, Japan. Calhoun has 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 post-operative 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, CA).

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 led 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, CA) 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.

Dionne resides in Dallas, TX with his wife Amy and daughter Thúy Lynn.

Heather Mau

Assistant Athletic Trainer
Education: Adelphi University (B.S.), California Baptist University (M.S.)
Hometown: Honolulu, HI
NBATA Member Since: 2019
Heather Mau was named the Assistant Athletic Trainer for the Dallas Mavericks in July 2019 after spending three seasons with the South Bay Lakers, the Los Angeles Lakers’ G-League affiliate, as their Head Athletic Trainer.

Prior to her stint with the South Bay Lakers, Heather spent two years at UC Riverside (2013-2015) and approximately one year at Cal State University, Northridge (2015-2016) where her main sport responsibilities were women’s soccer and softball at both institutions.

Before Mau began her career as an athletic trainer, she received her Master’s degree in Athletic Training from California Baptist University in 2013 and her undergraduate degree in Exercise Science from Adelphi University in 2011. Heather was also a student-athlete on the Women’s Volleyball team during her time at Adelphi University for four years.

Heather is originally from Honolulu, Hawaii and currently resides in Dallas, Texas.

Brandon Gilliam

Athletic Rehabilitation Director/Assistant Athletic Trainer
Education: University of Tennessee (B.S., M.S.), Belmont University (DPT)
Hometown: Sewanee, Tennessee
NBATA Member Since: 2014
Brandon joined the Mavericks as the Athletic Rehabilitation Director/Assistant Athletic Trainer in 2023. He joins the Mavericks staff after serving as the Director of Rehab for the Miami Heat from 2014 – 2022.

Brandon is a graduate of Belmont University with a Doctorate in Physical Therapy (2005). He also holds a Master’s of Science (2002) in Human Performance and Sport Studies and a Bachelor’s Degree (2000) in Exercise Science from the University of Tennessee at Knoxville.

His relationship with the players is one focused on injury risk mitigation and rehabilitation. Through the many services he provides, including functional movement assessment, manual therapy, and corrective exercise prescription; he is driven to keep active players healthy and return injured players to the fold.

He acknowledges his parents as the ones who introduced him to athletic training, sending Brandon to an athletic training seminar when he was in the 7th grade. From that point he served as a student trainer for the basketball and football teams at South Junior High where his father coached and for multiple teams at Franklin County High (Winchester, TN) where he graduated in 1996. He went on to serve as a student trainer for the back-to-back SEC Championship (1997, 1998) and National Championship (1998) football teams while enrolled at the University of Tennessee.

Born in Big Stone Gap, Virginia, Brandon is a member of the American Physical Therapy Association (APTA), the American Academy of Sports Physical Therapy (AASPT), the National Athletic Trainers Association (NATA), and the National Basketball Athletic Trainers Association (NBATA).

Brandon was inducted into the ICCUS Society for Sports Rehabilitation in 2022 and is the recipient of the 2023 Belmont University School of Physical Therapy Outstanding Alumnus Award.