He married tennis great Stefanie Graf in 2001, and retired in 2006 at the age of 36, ending his career with 60 singles titles.

FORBES: Tennis Greats And Time: Agassi And Graf

Stefanie Graf is an ideal mate for him, able to match his intensity stroke for stroke and able to understand the world that created him.

FORBES: Booked Bio: Andre Agassi's Open

Andre Agassi, founder of the Andre Agassi Charitable Foundation, and his wife, Stefanie Graf, both work tirelessly to help disadvantaged children, in an effort to provide them educational opportunities.

FORBES: Tennis Greats And Time: Agassi And Graf