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Marc Andreessen
General

Marc Andreessen

Investing

More About Marc

Marc Andreessen is a cofounder and general partner at the venture capital firm Andreessen Horowitz. He is an innovator and creator, one of the few to pioneer a software category used by more than a billion people and one of the few to establish multiple billion-dollar companies.

Marc co-created the highly influential Mosaic internet browser and co-founded Netscape, which later sold to AOL for $4.2 billion. He also co-founded Loudcloud, which as Opsware, sold to Hewlett-Packard for $1.6 billion. He later served on the board of Hewlett-Packard from 2008 to 2018.

Marc holds a BS in computer science from the University of Illinois at Urbana-Champaign.

Marc serves on the board of the following Andreessen Horowitz portfolio companies: Applied Intuition, Carta, Coinbase, Dialpad, Flow, Golden, Honor, OpenGov, Samsara, Simple Things, and TipTop Labs. He is also on the board of Meta.

Latest Content

  • Flow
    Marc Andreessen

    We are doubling down on Flow, reaffirming our commitment to transforming residential real estate through design, technology, and community. In an increasingly digital world, Flow is building the physical spaces that foster connection, ownership, and belonging.

  • In this episode Jack Altman, CEO of Lattice and host of Uncapped, interviews Marc Andreessen on how venture capital is evolving — from small seed funds to billion-dollar barbell strategies — and why today’s most importan...

  • What does it take to build a venture firm from scratch—and scale it across multiple waves of technological and cultural change?

  • Rick Rubin: Vibe Coding is the Punk Rock of Software
    Marc Andreessen, Ben Horowitz, Rick Rubin, Erik Torenberg, and Anjney Midha

    In this episode a16z co-founders Marc Andreessen and Ben Horowitz sit down with legendary music producer and bestselling author Rick Rubin to explore the origin of his unexpected new creation: "The Way of Code"*

  • The Evolution of the Firm — with Ben and Marc
    Ben Horowitz, Marc Andreessen, and Erik Torenberg

    Recorded live at the 2025 a16z LP Summit, this episode is a candid conversation between a16z cofounders Marc Andreessen and Ben Horowitz—hosted by general partner Erik Torenberg.

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