A close friend of mine called me over Christmas. This individual operates at the C-suite level in an elite organisation. She has the job many of her peers covet. It is one of her industry’s “dream” jobs and one of the most high-profile. But she has had enough; she wants a change. My friend knows her own mind and has worked her way up from the bottom of her chosen profession to reach the pinnacle. Nothing was given to her, and she earned everything herself. Her single-mindedness has been a key contributor to her career success to date. It is…