Andreessen Horowitz

Andreessen Horowitz is a venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz and based in Menlo Park, California. It funds startups across the entire lifecycle, from seed to growth, with a broad focus on software and technology-enabled businesses. The firm backs companies in software, cloud infrastructure, digital platforms, data storage, and mobile and Internet services, as well as sectors at the intersection of technology with life sciences, such as bio healthcare and computational medicine. Its investments span artificial intelligence, fintech, consumer and enterprise software, crypto and blockchain, cybersecurity, and related infrastructure. Through strategic guidance and a hands-on approach, the firm aims to help portfolio companies scale and innovate.

Leila Abu-Sharr

Partner, Market Development

Anish Acharya

General Partner

Vineeta Agarwala

General Partner

Eric Alby

Partner

Ryan Allen

Partner

Past deals in macOS

Uno

Seed Round in 2023
Uno App is a collection of software tools (application) that helps people safeguard online security. It consists of an iOS app, a macOS app, and browser extensions.

Rockmelt

Series B in 2011
Rockmelt was a social web browser developed on Chromium technology, offering seamless integration with Facebook and Twitter through its unique "Edges" feature, displaying real-time updates from friends and followed feeds. It introduced an innovative search function that displayed complete results as dropdowns over webpages, facilitating easy navigation between different results. The browser also featured its own URL shortener, me.lt, and was supported on Windows and OS X platforms. Backed by notable Silicon Valley figure Marc Andreessen, Rockmelt's principal engineer was Robert John Churchill, previously the principal engineer for Netscape Navigator.

Rockmelt

Series A in 2009
Rockmelt was a social web browser developed on Chromium technology, offering seamless integration with Facebook and Twitter through its unique "Edges" feature, displaying real-time updates from friends and followed feeds. It introduced an innovative search function that displayed complete results as dropdowns over webpages, facilitating easy navigation between different results. The browser also featured its own URL shortener, me.lt, and was supported on Windows and OS X platforms. Backed by notable Silicon Valley figure Marc Andreessen, Rockmelt's principal engineer was Robert John Churchill, previously the principal engineer for Netscape Navigator.
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