Dr. Crabtree is a general surgeon. He completed his medical training and residency in general surgery at the University of Arkansas for Medical Sciences Campus in Little Rock, Arkansas. He currently holds an academic appointment as Visiting Clinical Faculty at Harbor-University of California Los Angeles (UCLA) Medical Center. His clinical research interest focuses on issues related to peritoneal dialysis access. He pioneered modifications and enhancements to the laparoscopic placement of peritoneal dialysis catheters resulting in improved catheter outcomes for peritoneal dialysis patients. Dr. Crabtree has authored numerous articles covering dialysis catheters, implantation techniques, and resolution of dialysis access complications. Currently, Dr. Crabtree is the Chair for PD University for Surgeons in North America, part of a global education effort sponsored by the International Society for Peritoneal Dialysis. He is actively involved in implementing ISPD-sponsored surgeon education programs in Europe and Asia.