Currently alive, at 59 years of age.
1956 – Born on the 24th of March in Detroit, Michigan.
1973 – Graduated from Detroit Country Day School with a grade point average of 4.0 and was the valedictorian of his class.
1977 – Graduated magna cum laude with a Bachelor of Arts degree in applied mathematics and economics.
Ballmer worked for two years at Procter & Gamble as an assistant product manager.
1980 – Became Microsoft’s 24th employee and the first business manager hired by Gates.
1981 – He was owned 8% of the Microsoft when it becomes incorporated.
Headed several divisions within Microsoft, including Operating Systems Development, Operations, and Sales and Support.
1998 – He was promoted to president of Microsoft.
2000 – Chief executive officer when Gates stepped down from that position.
Ballmer married Connie Snyder (a Microsoft employee) and has three children.
2004 – He made headlines by claiming that the most common format of music on iPods is "stolen".
2006 – Forbes magazine ranked Ballmer as the 24th richest person in the world