This presentation explores the impact of positive leaders on organizational performance through psychological capital, work harassment, supportive work practices, and more. It discusses how psychological capital can reduce stress and turnover, how work harassment can be overcome through proper management systems, and how supportive work practices can create a positive working environment. The presentation also covers the contagion effect of global leaders' positive psychological capital on followers. The bibliography includes sources such as The International Journal of Human Resource Management and Cornell Hospitality Quarterly.