Andreessen Horowitz
Global venture capital firm investing in technology companies.
Company facts
- Founded
- 2009
- Employees
- 500
- Headquarters
- United States
- CEO
- Marc Andreessen and Ben Horowitz
- Type
- Private
- Subsidiaries
- a16z Crypto, a16z New Media
About
Andreessen Horowitz (a16z) is a venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz. It invests in technology‑focused companies at any stage—from seed to late‑stage—across sectors such as consumer, enterprise, bio/healthcare, crypto, fintech, and gaming. Leveraging a team of partners who are former founders, CEOs, and CTOs, a16z offers portfolio companies access to a deep network of technical talent, executive expertise, and industry connections. This integrated support helps entrepreneurs accelerate product development, market entry, and growth, positioning them for long‑term success.
Open positions
Founding ML Engineer
Founding ML engineer at Philyron (a16z Speedrun company) building predictive maintenance for commercial ships: you own the full loop end to end — satellite data ingestion (MQTT, AWS), fusing live sensor data with maintenance records, training anomaly-detection and failure-prediction models, and shipping them to production. Onsite in San Francisco; $130–150k plus ~1.5% equity.
Founding AI Engineer
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Founding Software Engineer
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Founding ML Engineer
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Member of Technical Staff, Research
At Primitive Labs our mission is to make human behavior a first-class primitive of software development. In this role, you will build the research systems behind our behavioral intelligence agents. Your work will span…
Founding Engineer
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AI Engineer
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Founding Engineer
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Founding ML Engineer
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Founding Member of Technical Staff
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