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Marc Andreessen

Marc Andreessen

Co-founder of Andreessen Horowitz, Creator of Netscape Navigator

BornJuly 9, 1971 (age 52)
NationalityAmerican
FirmAndreessen Horowitz (also known as a16z)
EducationUniversity of Illinois Urbana-Champaign (BS in Computer Science)
Known ForAndreessen Horowitz, Netscape Navigator, Mosaic
Webpmarca.com
LinkedInLinkedInXXWebsite
Investor
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About Marc Andreessen

Marc Andreessen is a towering figure in the technology industry, known for his pioneering work in the early days of the internet and his continued influence as a venture capitalist. He co-created Mosaic, the first widely-used web browser, and then co-founded Netscape Communications.

After Netscape, Andreessen went on to found and co-found several other notable companies, including Loudcloud (later Opsware) and Ning. His most significant impact in recent decades has been through Andreessen Horowitz (a16z), a venture capital firm he co-founded with Ben Horowitz in 2009. The firm has become one of the most powerful and influential players in Silicon Valley, backing many of the leading technology companies of our time.

Net Worth

Marc Andreessen's net worth is estimated to be around $1.8 billion as of 2023. This wealth has been accumulated through his successful ventures in software development, entrepreneurship, and venture capital. His stake in Andreessen Horowitz, along with past successes like Netscape, forms the primary basis of his financial standing.

Andreessen Horowitz (a16z)

A significant portion of Andreessen's wealth is derived from his co-founding role in Andreessen Horowitz, which has raised billions across numerous funds. The firm's success in backing tech giants has undoubtedly contributed substantially to his net worth.

Andreessen Horowitz Funds
Over $35 billion in assets under management across various funds, specializing in software, crypto, fintech, and more.
Netscape Communications

As a co-founder of Netscape, Andreessen experienced a significant wealth event when the company went public in 1995 and was later acquired by AOL for $4.2 billion in 1998, providing him with substantial gains.

Loudcloud / Opsware

Andreessen's company Loudcloud, an early cloud computing pioneer, went public in 2001. Its software business was later sold to Hewlett-Packard for approximately $1.6 billion in 2007.

Investment Strategy

Marc Andreessen, through Andreessen Horowitz, employs an investment strategy focused on disruptive innovation, particularly in software. The firm famously states that "software is eating the world," a concept popularized by Andreessen himself. They seek out companies that are building foundational technologies and platforms that can reshape industries.

a16z is known for its

Notable Quotes

“Software is eating the world.”

— The Wall Street Journal

“Every company is a software company.”

— Andreessen Horowitz Blog

“The only thing that matters is building the product and getting it to market.”

— Interview

“The internet allows people to communicate outside of the power structures. It's a way to get information out that can't be censored or controlled.”

— Interview

Contact Information

Marc Andreessen is a highly sought-after figure in the technology and venture capital landscape. While direct contact can be challenging, there are several avenues to explore depending on the nature of your inquiry.

For startup funding or business proposals, the most effective approach is to submit your information through the official Andreessen Horowitz (a16z) website. Due to the high volume of interest, it's crucial to have a clear, concise, and compelling pitch that aligns with their investment thesis.

Use Lessie to find verified contact information, mutual connections, and the best outreach strategy for reaching Marc Andreessen and similar investors.

Contact via Lessie

Publications

Marc Andreessen is a prolific writer and commentator on technology, venture capital, and economic trends. His essays and blog posts, often published on his personal website pmarca.com and the Andreessen Horowitz blog, are widely read and influential. Some notable essays include:

  • "Why Software Is Eating The World" (Wall Street Journal)

  • "The Pmarca Guide to Startups" (pmarca.com)

  • "Peacetime CEO/Wartime CEO" (pmarca.com)

Related Profiles

Ben Horowitz

Co-founder, Andreessen Horowitz

Scott Kupor

Managing Partner, Andreessen Horowitz

Peter Thiel

Co-founder, PayPal & Palantir; Investor

Reid Hoffman

Co-founder, LinkedIn; Partner, Greylock Partners

Michael Moritz

Partner, Sequoia Capital

John Doerr

Chairman, Kleiner Perkins

Chris Dixon

General Partner, Andreessen Horowitz

Kathryn Haun

Founder & CEO, Haun Ventures (formerly a16z Crypto)

Bill Gates

Co-founder of Microsoft, Co-chair of the Bill & Melinda Gates Foundation, Investor

Frequently Asked Questions

Who is Marc Andreessen?

Marc Andreessen is an American entrepreneur, investor, and software engineer. He is best known as the co-creator of Mosaic, the first widely-used web browser; co-founder of Netscape Communications; and co-founder of Andreessen Horowitz, a prominent venture capital firm.

What is Marc Andreessen known for?

He is primarily known for his foundational work on the web (Mosaic, Netscape Navigator) and his immense influence in the venture capital world through Andreessen Horowitz (a16z), where he has backed numerous successful tech companies.

What companies has Marc Andreessen invested in?

Through Andreessen Horowitz, Marc Andreessen has invested in hundreds of companies. Some notable investments include Facebook, Twitter, Airbnb, Stripe, Instagram, Pinterest, Slack, Coinbase, and Lyft.

What is Marc Andreessen's investment philosophy?

Andreessen Horowitz's investment philosophy, heavily influenced by Marc Andreessen, centers on the idea that "software is eating the world." They focus on investing in disruptive technology companies, particularly in software, enterprise, fintech, and crypto, that they believe will become market leaders and reshape industries. They are known for providing extensive operational support to their portfolio companies.

How can I contact Marc Andreessen?

Direct contact with Marc Andreessen is typically reserved for portfolio companies and high-profile individuals. However, general inquiries and business proposals for Andreessen Horowitz can be submitted through their official website. Engaging with his public commentary on platforms like X (formerly Twitter) is another way to engage with his ideas.

What is Marc Andreessen's net worth or fund size?

Marc Andreessen's personal net worth is estimated to be around $1.8 billion. Andreessen Horowitz, the venture capital firm he co-founded, manages billions of dollars across various funds, with over $35 billion in assets under management.

What are some notable quotes by Marc Andreessen?

"Software is eating the world." "Every company is a software company." "The only thing that matters is building the product and getting it to market."

What are Marc Andreessen's career highlights?

Co-creation of Mosaic browser (1993), co-founding Netscape Communications (1994), taking Netscape public (1995), co-founding Loudcloud (1999) which became Opsware and was acquired by HP, and co-founding Andreessen Horowitz (2009) which became one of the most successful VC firms in Silicon Valley.

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