Charles Simonyi

$7.41 B

Ranked #512 in World

About Charles Simonyi

Renowned Hungarian-American software architect Charles Simonyi, key in developing Microsoft Office, has a storied trajectory in technology and space exploration. Earning a $5.2 billion net worth by November 15, 2022, Simonyi's early programming passion in Hungary paved the way for his pivotal role at Microsoft and subsequent establishment of Intentional Software. A seasoned astronaut with two International Space Station visits in 2007 and 2009, Simonyi is also a philanthropy leader, fostering education and arts through substantial donations. With personal ties to Martha Stewart and a love for amateur radio, his impact spans software, space, and culture.

Born

September 10, 1948

Age

77 years

Source Of Wealth

Microsoft

Industries

Technology

Citizenship

United States

Residence

Medina, Washington

Education

Doctorate, Stanford University; Bachelor of Arts/Science, University of California, Berkeley

Charles Simonyi was born on September 10, 1948, in Budapest, Hungary. His father, Károly Simonyi, was a Kossuth Prize-winning professor of electrical engineering. Simonyi showed an early interest in computers and worked as a night watchman at a computer laboratory in the early 1960s. There, he learned to program from one of the laboratory's engineers and even developed compilers, one of which he sold to a government department.

Charles Simonyi: Family

Simonyi has been married twice. He was in a long-term relationship with Martha Stewart for 15 years until 2008. In the same year, he married Lisa Persdotter, with whom he has two daughters. Simonyi became a United States citizen in 1982 and currently resides in Medina, Washington, in a residence called "Villa Simonyi" designed by architect Wendell Lovett.

Charles Simonyi: Career Highlights

Simonyi's career is marked by significant achievements in the tech industry. He started and led Microsoft's applications group, where he played a pivotal role in building the first versions of Microsoft Office. Later, he co-founded and led Intentional Software, which was acquired by Microsoft in 2017.

Beyond his contributions to software development, Simonyi made history by becoming the fifth space tourist and the second Hungarian in space in 2007. He made a second trip to the International Space Station in 2009, setting a record for the most radio amateur contacts from space.

Charles Simonyi: Companies

Simonyi has been associated with several notable companies throughout his career. He worked at A/S Regnecentralen in Denmark, where he contributed to the development of the RC 4000 minicomputer's Real-time Control System and the GIER ALGOL compiler. He also worked at Xerox PARC, where he developed the Bravo, the first WYSIWYG document preparation program.

Simonyi's most significant professional journey was with Microsoft, where he joined in 1981 and played a key role in building the organization and applications of Word and Excel.

He left Microsoft in 2002 to co-found Intentional Software, which was later acquired by Microsoft in 2017.

Charles Simonyi: Major Achievements

Simonyi's major achievements include developing the Hungarian notation convention for naming variables, which is widely used in software development. He also made significant contributions to the development of Microsoft Office, which revolutionized office productivity software.

Beyond his work in software, Simonyi's spaceflights in 2007 and 2009 were notable achievements. He became the second Hungarian astronaut and the fifth space tourist, capturing the world's attention and inspiring future generations.

Charles Simonyi: Awards & Achievements

Simonyi's contributions have been recognized through numerous awards and achievements. He received honorary doctorate degrees from the Juilliard School in New York and the University of Pecs in Hungary. He was also awarded the Computer History Museum's Fellow Award in 2008.

In addition, Simonyi holds the record for the most radio amateur contacts from space, demonstrating his passion for radio communication and his commitment to connecting with people worldwide.

Charles Simonyi: Personal Life & Legacy

Simonyi is known for his philanthropic endeavors. He funded the establishment of three professorships at prestigious universities and founded the Charles and Lisa Simonyi Fund for Arts and Sciences in 2003, providing grants to outstanding organizations in art, sciences, and education.

Simonyi's legacy extends beyond his professional accomplishments. He is remembered as a visionary leader in the tech industry, a pioneer in space exploration, and a generous philanthropist who made significant contributions to society.

Charles Simonyi: Trivia

Simonyi has a passion for sailing and owns a 295-foot yacht named NORN. He is also a licensed amateur radio operator with the call sign KE7KDP and used his Hungarian call sign HA5SIK to contact 25 radio amateurs from Hungary during his spaceflights.

Simonyi's life and achievements have been portrayed in popular culture. Actor Brian Lester portrayed him in the TV film Pirates of Silicon Valley, highlighting his impact on the tech industry.

Wealth History

Timeline

Early 1960s

Worked as a night watchman at a computer laboratory in Budapest, Hungary.

1968

Moved to the United States to attend the University of California, Berkeley.

1972

Earned his BS in Engineering Mathematics & Statistics from the University of California, Berkeley.

1977

Received his PhD in computer science from Stanford University.

1981

Joined Microsoft and built the organization and applications of Word and Excel.

1982

Became a United States citizen.

2002

Left Microsoft to co-found Intentional Software.

2007

Became the second Hungarian astronaut and the fifth space tourist.

2008

Married Lisa Persdotter.

2009

Made a second trip to the International Space Station.

2017

Intentional Software was acquired by Microsoft.

Charles Simonyi : FAQs

What is Charles Simonyi's current net worth?

Charles Simonyi's current net worth is $7.41 billion.

What is Charles Simonyi's current global rank among billionaires?

Charles Simonyi holds the 512th position globally among billionaires.

What is Charles Simonyi's current ranking within the United States?

Charles Simonyi holds the 199th position in United States.

What was the change in Charles Simonyi's net worth compared to the previous year?

Charles Simonyi's net worth decreased by 759.02 million dollars compared to the previous year 2025, when his net worth was 8.16 billion dollars.

What is the recent change in Charles Simonyi's net worth?

Charles Simonyi's net worth increased by 4.48 million dollars recently, a 0.06% increase, with his net worth standing at 7.41 billion dollars.

What are Charles Simonyi's main sources of wealth?

Charles Simonyi's main source of income comes from Microsoft.

In which industry does Charles Simonyi primarily operate?

Charles Simonyi is primarily involved in the Technology industry.

What is Charles Simonyi educational background?

Charles Simonyi holds a Doctorate from Stanford University and a Bachelor of Arts/Science from the University of California from Berkeley.

How old is Charles Simonyi?

Charles Simonyi is 77 years old.

How many children does Charles Simonyi have?

Charles Simonyi has 2 children.

Who is Charles Simonyi and what did he accomplish at Microsoft?

Charles Simonyi is a Hungarian-American software architect known for starting and leading Microsoft's applications group, where he built the first versions of Microsoft Office, contributing significantly to the field of software development.

What are the achievements of Charles Simonyi in the field of aerospace?

Charles Simonyi became the fifth space tourist and the second Hungarian in space in 2007, with a second trip to the International Space Station in 2009, also holding the record for the most radio amateur contacts from space.

What notable philanthropic efforts has Charles Simonyi made?

Charles Simonyi has funded the establishment of three professorships in various educational institutions, founded the Charles and Lisa Simonyi Fund for Arts and Sciences, and donated to the University of Washington's Computer Science department for a new building.

Can you provide details about Charles Simonyi's early career and education?

He worked as a night watchman at a computer laboratory in Hungary, learning to program, and later moved to Denmark and the USA for further education and career advancement, including working on the Bravo program at Xerox PARC.

What is known about Charles Simonyi's personal life and hobbies?

Charles Simonyi dated Martha Stewart, is married to Lisa Persdotter, has two daughters, became a US citizen in 1982, owns a yacht named NORN, and resides in a villa designed by Wendell Lovett in Medina, Washington.