NantKwest Inc. announced the appointment of Leonard S. Sender, MD, as senior vice president of Medical Affairs for Pediatric, Adolescent and Young Adult Oncology. Dr. Sender currently serves as the Medical Director of the Hyundai Cancer Institute at CHOC Children's Hospital as well as the Executive Director of the Pediatric, Adolescent and Young Adult Cancer Breakthroughs 2020 Program for the Chan Soon-Shiong Institute for Medicine. Prior to joining NantKwest, he was the Medical Director of Clinical Oncology at the University of California’s NCI designated Chao Family Comprehensive Cancer Center.