Barbara Benedict Bunker is emeritus professor of psychology at the State University of New York at Buffalo. She has taught in executive development programs at Columbia, Pepperdine, and the Harvard University School of Education and has held Fulbright Lectureships in the business schools of Keio University and Kobe University in Japan.

Billie T. Alban is president of Alban and Williams, Ltd., and an internationally known management consultant whose clients include British Airways, Cathay Pacific Airways, Exxon, and Kraft/General Foods. She teaches in executive development programs at Columbia, the University of California, Los Angeles, and Pepperdine and has served on the board of the Organization Development Network.
Bunker and Alban are coauthors of Large Group Interventions from Jossey-Bass.