Professor Saar taught at State University of New York, University of Hartford, Southern Methodist University, Loyola College and is currently at Harvard University and teaching courses in organisational behaviour and leadership at the China Europe International Business School. He is the founder of the Center for Leadership Development at Harvard University. He has trained federal and state executives and government officials on leadership effectiveness and management development. He has managed executive education for universities and corporations, and developed workshops on managing change, motivating and influencing others, thinking strategically, and leading in adverse environments. Professor Saar has presented papers on leadership development and been a speaker at civic, industry, and professional associations throughout the United States and abroad.

Professor Saar has worked with various companies on articulating strategic direction, identifying leadership competencies, designing and delivering learning initiatives, and coaching executives. His clients include multinational corporations, government agencies and non-profit organisations.