BA in International Affairs, George Washington Univ.; MA and PhD in Psychology, Univ. of Michigan; MBA, Harvard. 1975 Associate Professor, Graduate School of Business, Columbia University;1980, Founder and Chief Executive Officer, Delta Consulting Group; 2000-05, Chief Executive Officer, Mercer Delta Consulting; since 2006, current position, specialist at chief executive officer and board level in large-scale change, corporate governance, executive leadership, organization design and executive team development.