Antioch Consulting (California USA)
www.antiochconsultinggroup.com

Cambridge Leadership Associates (Boston USA)
www.cambridge-leadership.com

Center for Public Leadership, Harvard University (Cambridge USA)
www.ksg.harvard.edu/leadership

Harvard Executive Leadership Development:
The Art and Practice of Leadership Development
www.execprog.org/programs.asp?programid=18&dosplaymode=view

Institute for Women Leaders, Rutgers University through Brigid Moynahan, The Next Level (USA)
http://www.rci.rutgers.edu/~iwl/programs_senior_leadership.html

McEvoy Consulting (London UK)
www.mcevoyconsulting.co.uk