Preston, Douglas, Child, Lincoln (2) Kotter, John P. (harvard Business School; Kotter International), Akhtar, Vanessa (kotter International), Gupta, Gaurav (kotter International; Ka Partners) (2) Als, Hilton, Fogle, Douglas, Molesworth, Helen (1) Douglas, Gary M., Heer, Dain (1) Douglas, Gary M, Heer, Dr (1)