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 Engineer
Founding engineer (employee #3) at Motherboard Labs, an a16z speedrun-backed startup building an AI agent operating layer for fleets of robots and autonomous machines. You'll split time between hands-on customer deployments and shared platform work — integrations, agent tooling, and fine-tuning models for machine diagnostics — in person from San Francisco with 25–50% travel.
Founding Engineer (Physical AI Infrastructure)
The role: Build the control plane and data plane for physical AI. Munari must run training, simulation, evaluation, data processing, and inference workloads across public cloud, customer-owned infrastructure, robotics…
AI Engineer
About the Company Kanu AI is your organization’s AI coworker that deploys in your own cloud, continuously learns from your data, team intelligence, and outputs, and uses that knowledge to encode and maintain workflows…
Founding Engineer (Stealth)
Join an elite team to define how work happens in the agentic era. We're rethinking how organizations share context and coordinate, from first principles, with fundamentally new infrastructure for safe, governable, and…
Forward Deployed Engineer Intern
Forward Deployed Engineer Intern San Francisco · Summer · In-person What we do We're building Infragrid to end the tax of manual financial work. We capture how businesses operate (SOPs, screen recordings, and analyst…
Software Engineer Intern
Software Engineering Intern Location: San Francisco Term: Summer Work Type: In-person About Infragrid We’re building Infragrid to end the tax of manual financial work. By capturing how businesses operate—using SOPs,…
Founding ML Engineer
About Electrokare Electrokare builds foundation models for human physiology. We develop ai models for a subset of human health use cases, starting with models that estimate blood-level physiology from cardiovascular…