Biography
Steve Ballmer is among the world's most closely watched billionaires from UNITED STATES, with an estimated fortune of $133.3B. The bulk of Steve Ballmer's wealth comes from Microsoft, closely tied to Microsoft. Steven Anthony Ballmer, born on March 24, 1956, is an American businessman and investor, recognized for his dynamic leadership style and significant contributions to the technology sector. As the former CEO of Microsoft from 2000 to 2014, Ballmer oversaw a period of substantial growth, expanding the company's reach into cloud services, devices, and enterprise software. His leadership was marked by an energetic approach, significantly increasing Microsoft's revenue. Ballmer's current net worth is estimated at $145 billion, a testament to his successful career and wise investments. He is the largest individual shareholder of Microsoft and also owns the Los Angeles Clippers of the NBA. Ballmer's career is an example of long-term commitment, strategic thinking, and a passion for innovation within the technology industry. Key career milestones include Joined Microsoft (1980); CEO of Microsoft (2000); Retired as Microsoft CEO (2014); Purchased Los Angeles Clippers (2014). This profile documents verified holdings, career milestones, and multi-year net worth history drawn from Forbes rankings, company filings where available, and our editorial methodology. Readers use it to understand how public markets, private company stakes, and major business bets shape one of the largest personal fortunes on record. Wealth estimates move with stock prices, funding rounds, and disclosed transactions—figures on this page are research estimates, not cash balances. We publish year-by-year net worth history when verified data exists, link to primary sources, and update profiles when Forbes Real-Time Billionaires or major filings change the picture materially. For investors and researchers, the most useful reading pairs the headline number with ownership structure, geography, sector exposure, and the multi-year history chart on this page—especially during volatile markets when single-day moves can shift rankings without any operational change at the underlying companies.
