Ryan Mendoza

William Gates III

Age: 54

Net worth: 53.0 bil

Charity work

Paul Allen

Age: 57

Net worth:13.5 bil

Just launched Xiant, retired

Steve Ballmer

Age:54

Net worth:14.5 bil

Retired

Steve Jobs

Age:55

Net worth:5.5 bil

Apple

Steve wozniak

Age: 60

Net worth:100 mil

Retired