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Thomas DeLong

Author, Harvard Business School Professor

Thomas J. DeLong teaches globally in a myriad of executive programs and consults with leading organizations on the process of making individual and organizational change.  His 2011 book, Flying Without a Net: Turn Fear of Change into Fuel for Success centers on the challenges of helping talented professionals who are resistant to change.

He is also the Philip J. Stomberg Professor of Management Practice in the Organizational Behavior area at the Harvard Business School. Before joining the Harvard Faculty, DeLong was Chief Development Officer and Managing Director of Morgan Stanley Group, Inc., where he was responsible for the firm’s human capital and focused on issues of organizational strategy and organizational change.

DeLong co-authored two books focused on leading professional service firms, When Professionals Have to Lead: A New Model for High Performance (Harvard Business School Press, 2007) and Professional Services: Cases and Texts (McGraw-Hill/Irwin 2003). DeLong has coauthored two Harvard Business Review articles, “Let's Hear It for B Players” and “Why Mentoring Matters in a Hypercompetitive World”.  His 2011 series of articles in the Harvard Business Review focus on why high achieving professionals often unwittingly sabotage their effort to excel. 



Often you’ll find yourself having those sleepless nights in Seattle and in other places and it’s only when you are asleep that you aren’t basically stuck with this metronome of worry.