Matt Damon 06.29.12 4:20 PM Water.org has a vision that one day everyone will have safe drinking water. Cofounder Matt Damon—who has done some acting as well—explains why he began the nonprofit. Newsletter Get the latest Fast Company stories delivered to your inbox daily. Send I'd also like to receive special Fast Company offers ARE YOU REGISTERED TO VOTE? Register now to make sure you have a voice in the election.