This document provides an overview of 360 degree feedback systems. It defines 360 degree feedback as a process that assesses an employee's performance through feedback from their manager as well as peers, direct reports, and customers. The document then describes various types of multi-rater feedback systems ranging from 90 degree to 720 degree. It outlines the advantages and disadvantages of 360 degree feedback as well as common reasons why 360 degree appraisal programs fail. Finally, it provides a detailed 8-step process for implementing a 360 degree feedback system within an organization.