Perhaps they have $130 million but they're lonely. They have nothing in common with most people their age, who must make decisions with monetary constraints, a

Perhaps they have $130 million but they're lonely. They have nothing in common with most people their age, who must make decisions with monetary constraints, and can't fly off to Goa at the drop of hat. So they surround themselves with young folk to stay human and connected. They probably also know they got lucky - they won the start-up lottery. They may have a deep desire to validate themselves, to prove they deserved their fortune, so they surround themselves with young entrepreneurs full of great ideas, as part of a new-found mission.