Andreessen Horowitz
Andreessen Horowitz's Overview
Andreessen Horowitz (commonly known as a16z) is a venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz. Headquartered in Menlo Park, California, with a 'cloud-first' operational model and offices in key tech hubs, a16z backs bold entrepreneurs building the future through technology. The firm is stage-agnostic, investing from seed to late-stage across diverse sectors including bio + healthcare, consumer, crypto, enterprise, fintech, games, and American dynamism. a16z is known for its extensive operational support for portfolio companies, drawing on the expertise of its partners and a broad network of industry leaders.
Where is Andreessen Horowitz's Headquarters?
HQ Function
Key investment activities, partner meetings, networking events, and providing strategic support to portfolio companies. It acts as a central node in their distributed network.
Notable Features:
Its location on Sand Hill Road, renowned as a historic center for venture capital. The office space is modern and designed for collaboration and high-stakes decision-making.
Work Culture:
Intellectually rigorous, fast-paced, and founder-centric, with a strong emphasis on network effects, thought leadership, and proactive support for portfolio companies.
HQ Significance:
A key hub in Silicon Valley, facilitating connections between entrepreneurs, innovators, and capital. The Menlo Park office symbolizes a16z's deep roots and influence in the tech investment landscape, even as it embraces a more distributed future.
Values Reflected in HQ: Ambition, technological optimism, speed, innovation, and a commitment to shaping the future by backing transformative ideas and entrepreneurs.
Location:
a16z invests in companies globally and supports its portfolio companies with international expansion. While its physical offices are primarily in the US (with a recent addition in London), its 'cloud-first' operational model allows its team and network to operate and support founders worldwide. The firm has dedicated partners and resources focused on various international markets and actively seeks investment opportunities beyond the United States.
Street Address:
2865 Sand Hill Road, Suite 101
City:
Menlo Park
State/Province:
California
Country:
USA
Andreessen Horowitz's Global Presence
San Francisco, California, USA
Address: Various locations, including near the South Park area or One Market Plaza (specific addresses may vary)
Access to a high concentration of tech talent, startups, and industry events in one of the world's leading innovation centers.
New York, New York, USA
Address: Specific address not broadly publicized, located in a central business district.
Engage with the strong financial, media, and growing tech sectors in New York City and the broader East Coast.
Santa Monica, California, USA
Address: Specific address not broadly publicized.
Tap into the vibrant entertainment, gaming, and tech scene in the Los Angeles area.
Miami, Florida, USA
Address: Specific address not broadly publicized.
Establish a presence in an emerging U.S. tech hub with a strong crypto and Web3 focus.
London, United Kingdom
Address: Specific address not broadly publicized.
Access to the European tech ecosystem, talent, and market opportunities. Opened its first international office here in 2023.
Buying Intent Signals for Andreessen Horowitz
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Executive Team of Andreessen Horowitz
As of April 2025, Andreessen Horowitz' leadership includes:
Investors of Andreessen Horowitz
Andreessen Horowitz has been backed by several prominent investors over the years, including:
Executive New Hires/Exits in the Last 12 Months
Over the last 12 months, a16z has continued to strengthen its leadership, notably with a key hire in its Games fund and a significant leadership appointment for its new growth initiative, a16z Emerge. No major General Partner departures have been widely publicized.
New Appointments:
Technology (Tech Stack) used by Andreessen Horowitz
Discover the tools Andreessen Horowitz uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
Andreessen Horowitz Email Formats and Examples
a16z (Andreessen Horowitz) commonly uses the email format combining the first initial and last name of an employee. Variations might exist, but this is a widely observed pattern.
[first_initial][last]@a16z.com
Format
jdoe@a16z.com
Example
90%
Success rate
News and media
a16z.com • April 17, 2024
a16z News: Announces $7.2 Billion in New Capital
Andreessen Horowitz announced it has raised $7.2 billion in new capital across various funds, including strategies focused on American Dynamism ($600M), Applications ($1B), Games ($600M), Growth ($3.75B), and Infrastructure ($1.25B). This new capital will enable a16z to continue backing entrepreneurs from seed to late-stage....more
a16z.com • June 14, 2023
a16z News: a16z Opens First International Office in London
Andreessen Horowitz announced the opening of its first international office in London, UK. The office will be led by General Partner Sriram Krishnan and will focus on fostering the UK and European tech ecosystem, supporting local founders, and investing in promising startups across the region....more
a16zcrypto.com • May 8, 2024
a16z Crypto News: Releases 2024 State of Crypto Report
a16z Crypto, the blockchain and web3 fund of Andreessen Horowitz, published its annual State of Crypto Report. The report provides an in-depth analysis of current trends, technological advancements, developer activity, and the evolving regulatory landscape within the cryptocurrency and blockchain industry....more
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