Gregory P. Shea, Ph.D., consults, researches, writes, and teaches in the areas of organizational and individual change, group effectiveness, and conflict resolution. He is a principal in the Coxe Group international consultancy; Senior Consultant at the Center for Applied Research, and faculty member at Wharton. A graduate of Harvard, he holds an M.Sc. from the London School of Economics, and an M.A., M. Phil., and Ph.D. in Administrative Science from Yale. nbsp; Robert E. Guntheris a professional business writer who has worked on 17 books, includingThe Truth About Making DecisionsandConvergence Marketing.