Ahead of next month's Business Travel Show it's no surprise to learn that PAs are key to managing the hectic travel schedule of most bosses.

A recent BBC news report highlighted the case of Sir Martin Sorrell, Chief Executive of WWP - the communications and advertising giant. In fact, Martin's diary is so hectic he confesses to rarely spending more than a week in the same place and says he's away for at least six months of the year. And who is it who keeps his busy schedule ticking over smoothly? One of his two PAs of course.

Read the BBC report on executives' travel demands and find out what Executive PA Magazine had to say on the issue.