Who Is Marc Andreessen? Age, Biography, and Wiki
Marc Andreessen, born on July 9, 1971, is a prominent American entrepreneur, investor, and software engineer. By 2025, Andreessen will be 54 years old. Best known for co-founding Netscape, one of the first web browsers, he has significantly influenced the technology landscape over the decades. Andreessen is also a co-founder of Andreessen Horowitz, a venture capital firm that has invested in numerous successful tech companies.
| Occupation | Computer Programmer |
|---|---|
| Date of Birth | July 9, 1971 |
| Age | 53 Years |
| Birth Place | Cedar Falls, Iowa, U.S. |
| Horoscope | Cancer |
| Country | U.S |
Popularity
Marc Andreessen's Popularity over time
Height, Weight & Measurements
As of 2025, Marc Andreessen stands at approximately 6 feet 4 inches tall (193 cm) and weighs around 215 pounds (98 kg). His measurements reflect an athletic build that he maintains through an active lifestyle, often engaging in outdoor activities.
Family, Dating & Relationship Status
Marc Andreessen is married to Laura Arrillaga-Andreessen, a successful philanthropist and founder of the Laura Arrillaga-Andreessen Foundation. The couple has been together for several years and shares a strong commitment to various charitable initiatives. They have no publicly disclosed children.
In 2021, he and his wife bought a property in Malibu for $177 million from Serge and Florence Azria. This was the highest price paid for a California property at that time. As of February 2023, his net worth is estimated at $1.7 billion by Forbes.
Net Worth and Salary
As of 2025, Marc Andreessen's net worth is estimated to be around $1.6 billion. His wealth stems from his successful ventures in the tech industry and strategic investments through his venture capital firm. His salary from these endeavors continues to grow, thanks to the rising value of his investments.
Marc Lowell Andreessen (born July 9, 1971) is an American businessman and former software engineer. He is the co-author of Mosaic, the first widely used web browser with a graphical user interface; co-founder of Netscape; and co-founder and general partner of Silicon Valley venture capital firm Andreessen Horowitz.
He co-founded and later sold the software company Opsware to Hewlett-Packard; he also co-founded Ning, a company that provides a platform for social networking websites. He is an inductee in the World Wide Web Hall of Fame. Andreessen's net worth is estimated at $1.9 billion as of January 2025.
Career, Business and Investments
Marc Andreessen has had a storied career, starting with the creation of Netscape in the mid-1990s, which was pivotal in the development of web browsing technology. Following that, he co-founded Andreessen Horowitz, which has backed notable companies such as Facebook, Twitter, and Airbnb. His keen eye for innovative technology and strategic investments has made him a respected figure in Silicon Valley, continuously shaping the future of technology and entrepreneurship.
He is the son of Patricia and Lowell Andreessen, who worked for a seed company. In December 1993, he received his bachelor's degree in computer science from the University of Illinois at Urbana–Champaign (UIUC). As an undergraduate, he interned twice at IBM in Austin, Texas.
He worked in the AIX graphics software development group responsible for the MIT X implementation and ports of the 3D language APIs: SGI's Graphics Language (GL) and PHIGS.
He also worked at the National Center for Supercomputing Applications (NCSA) at the University of Illinois, where he became familiar with Tim Berners-Lee's open standards for the World Wide Web.
After being shown the ViolaWWW graphic web browser in late 1992, Andreessen and full-time salaried co-worker Eric Bina worked on creating a browser with integrated graphics that could be ported to a wide range of computers, including Windows. The result was the Mosaic web browser released in 1993.
Social Network
Marc Andreessen maintains an active presence on social media, particularly on Twitter, where he shares insights on technology, business, and current events. His handles are often sought after for advice and commentary, showcasing his influential voice in the tech community.
Andreessen has worked at Netscape, Opsware, founded Andreessen Horowitz, and invested in many successful companies including Facebook, Foursquare, GitHub, Pinterest, LinkedIn, and Twitter.
Education
Andreessen attended the University of Illinois at Urbana-Champaign, where he graduated with a degree in Computer Science. His educational background provided him with a solid foundation in software development and engineering, skills that he has effectively utilized and enhanced throughout his illustrious career in technology.
"In the Web's first generation, Tim Berners-Lee launched the Uniform Resource Locator (URL), Hypertext Transfer Protocol (HTTP), and HTML standards with prototype Unix-based servers and browsers. A few people noticed that the Web might be better than Gopher.
In the second generation, Marc Andreessen and Eric Bina developed NCSA Mosaic at the University of Illinois. Several million then suddenly noticed that the Web might be better than sex."
