Robb is a Texas-licensed and ABC-certified practitioner. He was a Licensed Physical Therapist Assistant prior to earning his Bachelor of Science degree in Prosthetics and Orthotics at the University of Texas Southwestern Medical Center in Dallas. He has spent the past 11 years helping people maximize their functional potential so that they may achieve their goals. Robb currently sits on the Board of Directors for the Texas Chapter of the American Academy of Orthotists and Prosthetists. Robb is the assistant director of the Orthotic and Prosthetic Department in Abilene.
Robb and his wife Lacy have two children, Riley and Lauren. The Walker family enjoys being involved in community and church activities. They spend as much time outside as possible busy with a number of different activities.