This document summarizes a guide about empowering managers to own onboarding. It discusses how onboarding is often neglected due to unclear roles and responsibilities. Only 40% of organizations rate their onboarding as moderately effective. The guide advocates empowering managers to take ownership of onboarding, as organizations that invest in onboarding see increases in revenue, key performance indicators, and employee engagement. It provides frameworks for building an onboarding program and discusses components like preboarding, paperwork, provisioning, orientation, expectations, learning, and evaluation.