Koller, Tim (mckinsey's Strategy And Corporate Finance Insights), Goedhart, Marc (mckinsey's Strategy And Corporate Finance Insights; Rotterdam School Of Management (rsm), Wessels, David (wharton School Of The University Of Pennsylvania) (2) O'brien, John, Gallagher, David (1) Northup, Solomon (1) Levithan, David (1) Clinton, David, Negus, Christopher (amazon Web Services) (1)