For someone who was once just 10 votes shy of denying Tony Abbott a seat in federal parliament, Kevin "Harry" McCann is a difficult man to pin down.

In the corporate world he's been omnipotent for decades -- lately as chair of Macquarie Bank and Origin Energy, as a director at BlueScope and a fierce advocate for the rights of women and the smashing of the directors' club. But despite numerous calls and emails, The Power Index couldn't raise the lawyerly phenom (who to be fair has been off sick), even for a quick chat.