Kotter, John P. (3) Kotter, John P., Whitehead, Lorne A. (1) Kotter, John P. (harvard Business School; Kotter International), Akhtar, Vanessa (kotter International), Gupta, Gaurav (kotter International; Ka Partners) (1) Krogerus, Mikael, Tschäppeler, Roman (1)

Overig (2)