Standardization is a cornerstone of high-quality and safe radiation oncology practice. For new staff, a documented and consistent onboarding process is essential to build cohesive teams and promote standard processes. During this episode of the Rad Onc Report, radiation oncologist Ray Mak, MD, medical physicist Sheri Weintraub, PhD, and administrator Mark Harder, RT(T), spotlight ASTRO's new customizable onboarding checklists designed to help radiation oncology teams improve training, strengthen safety and support smooth integration of new staff across all clinical roles.