Recommended Sites on Leadership & Leadership Development
 

The Center for Creative Leadership
The Center for Creative Leadership (CCL) is a not for profit organisation devoted exclusively to leadership development. Whilst being based in the US, CCL maintains a knowledge commuity across the globe. They also have a faculty in Singapore and offer select programs under license through Mt Eliza Business School in Melbourne. 

The Conference Board
Best known for its Consumer Confidence Index and other leading economic indicators, the Conference Board provides a knowledge community that brings a strong business perspective to leadership trends across the globe.

The Leader to Leader Institute
Originally the Peter Drucker Foundation, the Leader to Leader Institute is a great source of reliable and  practical knowledge on leadership.

Harvard Business Online
Harvard Business Online offers business, leadership and management articles, books, case studies and other business resources for a variety of business management issues.

Henry Mintzberg
Includes some recent papers, interviews and talks, some of Henry's personal interests, and also connects to four programs for practicing managers that Henry has developed with colleagues.

The National Public Health Leadership Development Network (USA)
The National Public Health Leadership Development Network is a consortium of organizations and individuals from academic institutions, national and international organizations, and local, state, and federal agencies dedicated to advancing the practice of public health leadership.