Change is the only constant in today’s volatile world — impacting every business and the CEOs who lead them. Previously safe assumptions around strategy and operations have been replaced by a need to cope with an unprecedented rate of geopolitical and technological change. Business as usual is no longer an option. Although this brings challenges, it also delivers opportunities — and I am heartened to see the enthusiasm and optimism with which the CEOs of the world’s largest companies interviewed for this study are proactively embracing disruption and change.