Out of the frying pan ...

I confess that I do not understand this kind of guy:

Sir John [Elvidge], the former permanent secretary in the Scottish Government, who attracted controversy a few years ago for his comments about the need for a fully devolved Scottish civil service, has been appointed chairman of Edinburgh Airport by Global Infrastructure Partners (GIP).

He has a very nice pension (which must be well over £50k pa).  Why not relax?  Play golf, travel the world, write your memoirs.  Instead, he wants the hassle of running an airport ...