Billionaire Profile
Charles Simonyi
Global Rank
#510

Image: NASA | Public domain | via Wikimedia Commons

Charles Simonyi

CEO, Microsoft
UNITED STATES
Real-Time Net Worth
$7.539B
Estimated based on Microsoft stock value as of April 20, 2026
0% (24h)
Age
77
Source
Microsoft
Industry
technology
Citizenship
UNITED STATES

Biography

Charles Simonyi, born in Budapest, Hungary, is a renowned software architect, entrepreneur, and philanthropist. He is celebrated for his pivotal role in developing Microsoft's early applications, including Microsoft Word and Excel. His career began with pioneering work at Xerox PARC, where he contributed to the first WYSIWYG text editor. Simonyi later joined Microsoft, becoming a key figure in the company's success. His estimated net worth is $7.3 billion, reflecting his achievements in technology and investments. Beyond his professional endeavors, Simonyi is a dedicated philanthropist, supporting arts, sciences, and educational initiatives. He is also known for his adventurous spirit, having traveled to space twice as a tourist, making him the only person to have done so.

Fact Checked
Verified by Editorial Team
Live Data
Updated 4/20/2026

Wealth Over Time

In-Depth Profile

Early Life

Charles Simonyi was born Károly Simonyi on September 10, 1948, in Budapest, Hungary. His father was a professor of electrical engineering. As a teenager, Simonyi showed an early interest in computers and worked as a night watchman at a computer laboratory, learning to program. He left Hungary at the age of 17. He moved to the United States in 1968.

Rise to Success

Simonyi's career began at Xerox PARC in 1972, where he created the first WYSIWYG text editor called Bravo. He received his BS in Engineering Mathematics & Statistics from the University of California, Berkeley, in 1972 and a PhD in Computer Science from Stanford University in 1977. In 1981, he joined Microsoft, playing a crucial role in the development of Microsoft Word, Excel, and other successful applications. Simonyi left Microsoft in 2002 and founded Intentional Software Corporation.

Key Business Strategies

At Microsoft, Simonyi was instrumental in introducing object-oriented programming and the Hungarian notation system, which significantly impacted software development. His focus on user-friendly software and innovative features helped drive the company's growth. The acquisition of Intentional Software by Microsoft in 2017 brought Simonyi back to the company.

Philanthropy

Simonyi is an active philanthropist. He established the Charles and Lisa Simonyi Fund for Arts and Sciences in 2003, which provides grants to organizations in the arts, sciences, and education. He has funded professorships at the University of Oxford, Stanford University, and the Institute for Advanced Study in Princeton.

Career Milestones

1972

Joined Xerox PARC

Created the first WYSIWYG text editor, Bravo.

1981

Joined Microsoft

Developed Microsoft Word and Excel.

2002

Founded Intentional Software

Focused on creating programming tools.

2007 & 2009

Space Tourist

Traveled to the International Space Station twice.

2017

Microsoft acquired Intentional Software

Returned to Microsoft.

Philanthropy & Social Impact

Arts and Sciences

Charles and Lisa Simonyi Fund for Arts and Sciences

$100M

Provides grants to organizations in the arts, sciences, and education.

Education

Simonyi Professorship of the Public Understanding of Science

Unknown

Established at Oxford University.

Education

Simonyi Professorship for Innovation in Teaching

Unknown

Endowed chair at Stanford University.

Education

Simonyi Professorship of Mathematical Physics

Unknown

Established at the Institute for Advanced Study in Princeton.

Technology

AI@UW

$10M

Launched at the University of Washington, to advance AI, machine learning, and emerging technologies.

Business Philosophy & Leadership

Notable Quotes

""My only research plan for the trip is to evaluate the differences between American and Russian engineering practices. I think we have a lot to learn from them. The opposite is true, too, but that is not our problem.""

""The year was spent on investments in the future, be it philanthropy or programming.""

Leadership Principles

Innovation

Driving innovation through the creation of revolutionary software like Microsoft Word and Excel.

Philanthropy

Supporting education, science, and the arts through significant charitable contributions.

Technological Advancement

Leading the development of new technologies and advancing civilian space flight.