This document provides an overview of the key competencies covered in Chapter 1 of the 10th edition of the textbook "Organizational Behavior" by Don Hellriegel and John W. Slocum, Jr. It discusses the competencies of managing self, managing communication, managing diversity, managing ethics, managing across cultures, managing teams, and managing change. For each competency, it outlines the overall ability and lists the core abilities that fall under that competency.