In an era of globalization, decentralization and knowledge-based economies, governments are having to reshape public sector leadership to cope with new challenges. This environment requires new roles for public sector leaders, including change agents, promoters of enhanced performance, co-ordinators of government policies and keepers of public service values. Many governments of OECD member countries are developing new public sector leadership models. This text examines key leadership issues across OECD member countries, including the strategies and practices governments are adopting, and the lessons from country experiences so far. Topics include developing public sector leadership for the 21st century, leadership development strategies in the UK Civil Service, leadership development in the United States, staff development and training for leadership in the German Federal Administration, leadership development stategy in Sweden, manager and management development in Norway and leading change in Mexico.