South Africa, Aug. 4 -- I've always been a dreamer too. Fun fact: growing up, I wanted to be a music producer and Timbaland's protege. I'm still trying to strategise that one.

And I've always been a problem solver. My parents never understood how the TV, decoder and amplifier connected, or how to fix a DStv error message. Hint: sometimes the solution really is switching the plug on and off.

Not the perfect map

Looking back, those three instincts - planning, dreaming and problem-solving - have shaped how I have moved through my career.

But they have not protected me from uncertainty. If anything, they have taught me that leadership is not about having the perfect map. It is about learning to keep walking when the map changes.

None of ...