シェーファー・コンサルティングの名誉パートナー。Harvard Business Review Leader's Handbook: Make an Impact, Inspire Your Organization, and Get to the Next Level, Harvard Business Review Press, 2018.(未訳)の共著者。それ以外の著書に、The GE Work-Out : How to Implement GE's Revolutionary Method for Busting Bureaucracy & Attacking Organizational Proble, McGraw Hill, 2002.(邦訳『GE式ワークアウト』日経BP、2003年)、The Boundaryless Organization: Breaking the Chains of Organizational Structure, Jossey-Bass, 1995.(未訳)、Simply Effective: How to Cut Through Complexity in Your Organization and Get Things Done, Harvard Business Review Press, 2009.(未訳)がある。