Billionaire Profile
Charles Simonyi
Global Rank
#515

Image: NASA | Public domain | via Wikimedia Commons

Charles Simonyi

CEO, Microsoft
UNITED STATES
Real-Time Net Worth
$7.418B
Estimated based on Microsoft stock value as of March 6, 2026
+0.74% (24h)
Age
77
Source
Microsoft
Industry
technology
Citizenship
UNITED STATES

Biography

Charles Simonyi is a Hungarian-American software pioneer with a current net worth of $8 billion. He is best known for his pivotal contributions to Microsoft, where he led the development of Microsoft Word and Excel. Joining Microsoft as employee #40 in 1981, Simonyi introduced object-oriented programming and the Hungarian notation to the company, significantly influencing software development practices. Beyond his career at Microsoft, he founded Intentional Software, venturing into the field of intentional programming. Simonyi is also a two-time space tourist, having flown to the International Space Station in 2007 and 2009.

Fact Checked
Verified by Editorial Team
Live Data
Updated 3/6/2026

Wealth Over Time

In-Depth Profile

Early Life

Charles Simonyi was born in Budapest, Hungary, on September 10, 1948. From a young age, he demonstrated a keen interest in computers, sparked by his father, a professor of electrical engineering. He began his journey in technology by assisting an engineer at a computer lab in high school. Later, he moved to the United States to study engineering and mathematics at the University of California, Berkeley, before earning a Ph.D. in Computer Science from Stanford University.

Rise to Success

Simonyi's career began at Xerox PARC, where he co-created Bravo, the first WYSIWYG text editor. This innovation fundamentally changed how people interacted with computers. In 1981, he joined Microsoft, where he played a crucial role in the development of Microsoft Word and Excel. As chief architect, he led the creation of these programs, introducing Hungarian notation and object-oriented programming, significantly impacting modern software development.

Key Business Strategies

At Microsoft, Simonyi pursued strategies such as the "revenue bomb" to make applications highly portable across different platforms. His foresight in understanding the evolving tech landscape led to significant advancements in software development practices. After leaving Microsoft in 2002, he founded Intentional Software, which focused on intentional programming.

Philanthropy

Simonyi is also known for his philanthropic efforts, contributing to various causes through the Charles and Lisa Simonyi Fund for Arts and Sciences. The foundation has supported organizations in the arts, sciences, and education, including the Seattle Symphony and the Seattle Public Library.

Career Milestones

1972

Developed Bravo

Co-developed Bravo, the first WYSIWYG text editor at Xerox PARC.

1981

Joined Microsoft

Joined Microsoft as employee #40 and led the development of Microsoft Word and Excel.

2002

Founded Intentional Software

Founded Intentional Software, focusing on intentional programming.

2007

First Spaceflight

Became the fifth space tourist.

2009

Second Spaceflight

Made a second trip to the International Space Station.

Philanthropy & Social Impact

Philanthropy

Charles and Lisa Simonyi Fund for Arts and Sciences

$XB

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

Philanthropy

Simonyi Survey Telescope

$XB

Contributed to the construction and research of the Vera C. Rubin Observatory.

Business Philosophy & Leadership

Notable Quotes

"The cult of simplicity, the idea that simplicity is a desirable end in itself, is highly suspect."

Leadership Principles

Innovation

Focus on developing new and improved methods.

Complexity

Understanding of very complex phenomena.