I am looking to make a change, but I am not sure if I am deemed ready yet.I have a successful career in IT. now and ex-Microsoft Certified Trainer, two study guides published, 15 years experience, managing UK infrastructure team of Fortune 250 for the last 5 years (grows by acquisition), half way through a self study MBA at the Open University business school.I have tried experienced professional at McKinsey which was rejected.I want to make the change but I have not completed the MBA yet.10 years out of the job hunting market and I am worried I am out of my depth or not ready.thoughts or advice?