Kotter, John P. (harvard Business School; Kotter International), Akhtar, Vanessa (kotter International), Gupta, Gaurav (kotter International; Ka Partners) (2) Spurgeon, C. H. (2) Adams, Nigel (2) Gregory, Peter H. (at&t Wireless Services, Chapple, Mike (university Of Notre Dame) (2) Visje, Iwan (1)