Everyone who got where he is has had to begin where he was. – Robert Louis Stevenson
With positive, but realistic, self-belief and realistic plans, you really can become the person you want to be.
I believe Leading Change is simply the best book around on its subject.
This is a great video from the INSEAD (the Business School) channel on YouTube on changing the hearts and minds of individuals as a necessary precursor to organizational change. The real engagement of individuals is key to success in organizational change