This document provides an overview of several theories and concepts related to motivation and leadership in workplace psychology. It discusses Abraham Maslow's hierarchy of needs, Herzberg's two-factor theory, McGregor's Theory X and Theory Y, Alderfer's ERG theory, McClelland's acquired needs theory, Adams' equity theory, Vroom's expectancy theory, and Skinner's operant conditioning as theories of motivation. For leadership, it examines the debate on whether leaders are born or made and discusses behavioral, situational, contingency, and trait theories of leadership development.