Thomas E VollmannThomas E. Vollman, Ph.D. (Switzerland) is a professor at IMD. William L. Berry, D.B.A. (Columbus, OH) is a professor at Ohio State University. David Clay Whybark, Ph.D. (Chapel Hill, NC) is a professor at the University of North arolina. F. Robert Jacobs, Ph.D. (Bloomington, IN) is a professor at Indiana University. Read More Read Less