Alexis Ohanian is rethinking how he invests in early companies after stepping down from Reddit's board

· The past few months have changed how Reddit cofounder Alexis Ohanian invests in companies. 
· Ohanian is married to tennis star Serena Williams and wants to have a good answer when their daughter, Olympia, asks him what he does for a living. 
· Ohanian, a cofounder at the venture firm Initialized Capital and an...