Billionaire Profile
Steve Ballmer
Global Rank
#14

Image: Eric Garcetti | CC BY 2.0 | via Wikimedia Commons

Steve Ballmer

CEO, Microsoft
UNITED STATES
Real-Time Net Worth
$134.471B
Estimated based on Microsoft stock value as of April 27, 2026
+0.05% (24h)
Age
69
Source
Microsoft
Industry
technology
Citizenship
UNITED STATES

Biography

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.

Fact Checked
Verified by Editorial Team
Live Data
Updated 4/27/2026

Wealth Over Time

In-Depth Profile

Early Life

Born in Detroit, Michigan, Steve Ballmer displayed academic prowess early on. He attended Harvard University, where he studied mathematics and economics, graduating magna cum laude in 1977. During his time at Harvard, he lived down the hall from Bill Gates and the two became friends.

Rise to Success

Ballmer's professional journey began in 1980 when he left Stanford Business School to join Microsoft as its first business manager. He was employee number 30 at Microsoft. Ballmer quickly rose through the ranks, eventually succeeding Bill Gates as CEO in 2000. During his tenure, Microsoft released Windows XP and Office 365, and expanded into cloud computing. Under his leadership, Microsoft’s annual revenue increased significantly, reflecting his strong business acumen and innovative strategies. He stepped down as CEO in 2014.

Key Business Strategies

As CEO, Ballmer focused on expanding Microsoft's product offerings. He made key acquisitions, such as Skype, and spearheaded initiatives in cloud computing with Azure. Ballmer's tenure was marked by an aggressive, results-oriented approach, driving the company to adapt and evolve in a rapidly changing tech landscape. He was also known for his focus on hardware and expanding into new markets, particularly in gaming with the Xbox console.

Philanthropy

Since retiring from Microsoft, Ballmer and his wife, Connie, have become heavily involved in philanthropy through the Ballmer Group. Their focus is on improving economic mobility for children and families, particularly in underserved communities. They have invested heavily in early childhood education and other social initiatives, contributing billions of dollars to various charitable causes. They are also the founders of USAFacts, a non-partisan civic initiative that provides transparent government data to the public. In 2025, The Ballmers were listed in TIME100 Philanthropy's Most Influential People.

Career Milestones

1980

Joined Microsoft

Became Microsoft's first business manager.

2000

CEO of Microsoft

Succeeded Bill Gates as CEO.

2014

Retired as Microsoft CEO

Stepped down as CEO of Microsoft.

2014

Purchased Los Angeles Clippers

Bought the Los Angeles Clippers NBA team.

2015

Founded Ballmer Group

Co-founded the Ballmer Group, a philanthropic organization.

Philanthropy & Social Impact

Education and Economic Mobility

Ballmer Group

$6.5B+

A philanthropic organization focused on improving economic mobility for children and families.

Education

University of Oregon

$0.4B

Donated to create the Ballmer Institute of Children's Behavioral Health.

Education

Early Childhood Education in Washington

$1B+

Pledged to significantly increase preschool access.

Business Philosophy & Leadership

Notable Quotes

"Computer science is the operating system for all innovation."

Controversies & Challenges

2025

FireAid Controversy

Controversy over the Ballmer's' wildfire relief efforts.