Marc Lowell Andreessen (/ænˈdriːsən/ AN-dree-sen) (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.

Jan 22, 2025 · Marc Andreessen (born July 9, 1971, Cedar Falls, Iowa, U.S.) is an American-born software engineer who played a key role in creating the Web browser Mosaic and who cofounded Netscape Communications Corporation.

Mar 26, 2024 · In the pantheon of figures who shaped the internet revolution, few names loom as large as Marc Andreessen. As a pioneering software engineer, serial entrepreneur and prominent investor, Andreessen left an indelible mark on how we communicate, do business and access information online.

Aug 7, 2023 · Who is Marc Andreessen? Marc Andreessen is an American entrepreneur, investor, and software engineer who is widely known for his creation of Mosaic, later renamed Netscape, and his heavy influence over Silicon Valley as a capital investor.

Marc Andreessen is one of the foremost entrepreneurs and financiers of his generation. He built a unicorn and a top VC fund. Here are 9 lessons for growing ventures.

Jan 9, 2024 · Marc Andreessen is a prominent Silicon Valley entrepreneur, investor, and technologist and the cofounder and general partner at Andreessen Horowitz.

Oct 10, 2008 · To some, Netscape Communications co-founder Marc Andreessen is a cyberspace folk hero whose programming savvy made the vast resources of the Internet's World Wide Web available to anyone with a...

May 14, 2018 · Marc Andreessen (born 1972) has been one of the key players in making the Internet and World Wide Web accessible to the masses, thanks to his development of Netscape Navigator, a browser that integrates text, graphics, and sound.

He’s not just an industry legend because he’s one the only folks who’ve co-founded two companies that exited for north of $1 billion each. Nor is he renowned simply for throwing a grenade into the cozy way venture capital had worked for decades, when he co-founded Andreessen Horowitz in 2009. You get where I’m going with this…

Marc Andreessen is an entrepreneur, investor and software engineer best known as co-author of Mosaic, the first widely used Web browser.