At the recent Imagining the Future of Leadership Symposium in Cambridge, Mass., leaders of the Harvard Business School put forth their Top 10 list. What's on it? Personal arrogance, acting too fast and being certain, just to name a few. 

This video features the leaders listed below explaining their contribution to the list.

Bill George, Professor, Harvard Business School and former Chairman and Chief Executive Officer of Medtronic 

Evan Wittenberg, Head of Global Leadership Development, Google, Inc. 

Dr. Ellen Langer, Professor, Harvard University 

Andrew Pettigrew, Professor, Sïad Business School, University of Oxford 

Gianpiero Petriglieri, Affiliate Professor of Organizational Behavior, INSEAD 

Carl Sloane, Professor Emeritus, Harvard Business School 

Jonathan Doochin, Leadership Institute at Harvard College 

Scott Snook, Associate Professor, Harvard Business School and retired Colonel, US Army Corps of Engineers 

Daisy Wademan Dowling, Executive Director, Leadership Development at Morgan Stanley