Non Solus—A leadership challenge G. Alexander Patterson, MD  The Journal of Thoracic and Cardiovascular Surgery  Volume 140, Issue 3, Pages 495-502 (September 2010) DOI: 10.1016/j.jtcvs.2010.06.014 Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

Figure 1 Five AATS past presidents: F. Griffith Pearson, Joel D. Cooper, Thomas L. Spray, James L. Cox, and Thomas B. Ferguson. The Journal of Thoracic and Cardiovascular Surgery 2010 140, 495-502DOI: (10.1016/j.jtcvs.2010.06.014) Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

Figure 2 Five tribal stages. Logan D, King J, Fischer-Wright H. Tribal Leadership: Leveraging Natural Groups to Build a Thriving Organization. New York: Harper Collins; 2008. The Journal of Thoracic and Cardiovascular Surgery 2010 140, 495-502DOI: (10.1016/j.jtcvs.2010.06.014) Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

Figure 3 Russian President Dmitry Medvedev and French President Nicolas Sarkozy in angry discussion. Reprinted by permission of Wall Street Journal, Copyright © 2010 Dow Jones & Company, Inc. All Rights Reserved Worldwide. License number 2478840255509. The Journal of Thoracic and Cardiovascular Surgery 2010 140, 495-502DOI: (10.1016/j.jtcvs.2010.06.014) Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

Figure 4 Essential qualities of successful group leadership. The Journal of Thoracic and Cardiovascular Surgery 2010 140, 495-502DOI: (10.1016/j.jtcvs.2010.06.014) Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

Figure 5 Social intelligence qualities valuable for group leadership. Goleman D, Boyatzis R. Social intelligence and the biology of leadership. Harvard Business Review. September 2008:1-8. The Journal of Thoracic and Cardiovascular Surgery 2010 140, 495-502DOI: (10.1016/j.jtcvs.2010.06.014) Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions