"3.4E9"^^ . . . . "Jay Robert (J.B.) Pritzker"@en . "1965-01-19Z"^^ . . . "1965Z"^^ . . "Pritzker, J.B."@en . "Jay Robert (J.B.) Pritzker (born January 19, 1965) is an American venture capitalist, entrepreneur, philanthropist and private business owner. He is managing partner and co-founder of Pritzker Group, a private investment firm that operates middle-market service and industrial companies and invests in digital technology companies. He is a member of the wealthy Pritzker family.In 2014, the Forbes 400 Richest Americans list ranked him as the 161st richest person in the U.S."@en . . "American businessman" .