Bill Gates. Age: 54. Worth:53.0 billion

Paul Allen. Age: 57. Worth: $13.5 billion. Still works for Microsoft. Recently founded software giant Microsoft.

Steve Ballmer. Age: 54. Worth: $14.5 billion. Works as CEO for microsoft. Recently, he made the opening keyno at CES.

Steven Jobs. Age: 55. Worth: $5.5 billion. Today’s Disney’s largest shareholder. Reportedly cooperating on a biography with author Walter Isaacson.

Steve Wozniak. Age: 60. Worth: $100 million. Left apple to finish school. Still receives paychecks from apple.