Experience and wisdom counts for an awful lot in any kind of work. You simply can't beat the power of having done many things for lots of years to give a person unique strategies and experiences to draw from. But employers don't always see age in such positive terms. Age discrimination happens, despite the fact that it's against the law. In fact it's so illegal that few people will even admit to themselves that they've tossed someone's resume out because of the age he appeared to be.