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.

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.

Jana Austin joined the Dallas Mavericks in 2024 as an Assistant Athletic Trainer after four years with the New Orleans Pelicans as an Assistant Athletic Trainer and two years with the Brooklyn Nets as their Assistant Athletic Trainer, Performance/Sports Science Assistant. She began her professional career with Golden State Warrior’s G-league Affiliate the Santa Cruz Warriors as their Assistant Athletic Trainer. Prior to joining both organizations, Jana was working as an intern and then seasonal athletic trainer with the LA Sparks WNBA team for eight years.

Jana received both her undergraduate degree and master’s degree from California Baptist University, there she gained valuable hands on experiences with manual therapy, injury prevention, and emergency care through the various internships with D-1 collegiate basketball programs, Arena Football Team, and she has traveled to East Africa, Tanzania to serve a mission trip and provided medical care to the people who lived in the Kigoma, Tanzania. She also aided with the water filter systems to make sure they provided clean water to the village people.

Jana is active in her community and promoting athletic training by working with the West Coast Sports Medicine Foundation for over 8 years. It is a non-profit organization that provides free medical care to the underprivileged high school athletes in the Los Angeles area. There are also summer mentoring camps held in the summer that promote the education of who athletic trainers are. Jana is also CPR certified and a CPR instructor and has recently earned her CSCS and CES, she is currently working on her PES along with her Dry Needling Certification.

A native of Corona, California, Jana is the youngest child in her family. Her mother, Janice White, still resides in Corona, California. Her brother, JD Austin, resides in the Los Angeles area and is a fire fighter with the LA City Fire Department. Her father resides in Norco, California.

Jana currently resides in Dallas, TX.

Brian Dolan joined the Mavericks in 2024 as an Assistant Athletic Trainer/ Physical Therapist.

For the last four years, Dolan has worked in the NFL with the New England Patriots in a similar role. Prior to this, Dolan worked for ten years with the NBA Boston Celtics as an Assistant Athletic Trainer/ Physical Therapist. Dolan began his professional sports career in sports medicine volunteering then earning a paid position with the New Hampshire Fishercats (AA) of the Toronto Blue Jays organization.

Prior to working in professional sports, Dolan gained valuable experience and friendships working for thirteen years at ProSports Therapy in Waltham, MA, a busy outpatient orthopedic physical therapy clinic outside of Boston.

Dolan is a native of Wakefield, MA. He currently lives in North Reading, MA. with his girlfriend Erica. In his free time, Dolan enjoys traveling, spending time with his family and friends, enjoying the outdoors, and playing many sports.