This document provides an overview of effective management strategies and skills. It discusses key roles and behaviors of managers, including encouraging employees and recognizing their work. Other sections address good management practices, consequences of poor management, helping first-line managers, decision-making, different types of capital, and high-performance work. Additional topics include organizational health, globalization, competence classes, change management, performance reviews, trust, communication, big data, and psychological factors in the workplace. The document concludes with sections on psychological flexibility, improving communication, organizational excellence, employment, behavior, supervision skills, and a case for developing supervisory skills.