Marc Andreessen

Co-founder & general partner, a16z

Marc Andreessen helped create Mosaic and co-founded Netscape, connecting his early career to the rise of the web.

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Photo: JD LasicaCC BY 2.0 · Displayed in grayscale

At a glance

Marc Andreessen helped create Mosaic and co-founded Netscape, connecting his early career to the rise of the web. He later co-founded Loudcloud, renamed Opsware, and the venture firm Andreessen Horowitz. His work now centres on investing in technology companies.

Coverage
Venture capital; software; AI

Sources checked . Selected career milestones and biographical references.

Career, in context.

Selected milestones, newest first. Explore earlier career below.

  1. Publishes The Techno-Optimist Manifesto

    Andreessen sets out his views on technology and economic progress.

    Source: Andreessen Horowitz
Show earlier careerHide earlier career · 5 milestones

More than 10 years ago.

  1. Co-founds Andreessen Horowitz

    He establishes the venture firm with Ben Horowitz.

    Source: Andreessen Horowitz
  2. Opsware is sold to HP

    The software business he co-founded is acquired by Hewlett-Packard.

    Source: Wikipedia
  3. Co-founds Loudcloud

    The infrastructure startup later becomes enterprise-software company Opsware.

    Source: Wikipedia
  4. Co-founds Netscape

    He helps build a company around commercial web-browser software.

    Source: Wikipedia
  5. Co-creates Mosaic

    The browser helps make the early World Wide Web accessible to more users.

    Source: Wikipedia

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