- Douglas Stone
- Sheila Heen
- Patrick Lencioni
- James M. Kouzes
- Barry Z. Posner
- Laurie Beth Jones
- Jerry I. Porras
- S. Truett Cathy
- Gary Kinder
- Jerry Newcombe
- Jack Mitchell
- Marshall Goldsmith
- Rosamund Stone Zander
- Jeffrey Pfeffer
- Mark C. Thompson
- Nancy Kennedy
- Frances Hesselbein
- Alan Randolph
- Mark Reiter
- Benjamin Zander