Marco Mascorro

Marco Mascorro researches AI interpretability and robotics and advises METR. He cofounded Fellow AI with Dan Barry, building autonomous robots for retail, warehouses and factories, and previously invested in AI and software infrastructure as an a16z partner.

Career

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Based in: San Francisco
Elsewhere

METR

Apr 2025 — Present

Advisor

Andreessen Horowitz (a16z)

2023 — 2026

Partner

Partner. Invested in and supported AI and software infrastructure companies including Cursor, Thinking Machines, Black Forest Labs, Waveforms AI and Deeptune. Coauthored the firm’s Deeptune Series A announcement with Martin Casado.

Singularity University

2012 — 2014

Teaching Fellow, AI and Robotics

Products & media

mascobot.com

Integrating Harbor for End-to-End Computer-Use Evaluation

Marco and Joan Cabezas explain their work adapting OSWorld to Harbor, including cloud and local desktop environments, reproducible evaluation and training trajectories.

Writing

a16z.com

Building a16z’s Personal AI Workstation

Marco explains the design tradeoffs behind a four-GPU workstation, including memory capacity, PCIe lanes, storage, power, cooling and remote management.

Writing

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Marco Mascorro

METR

Andreessen Horowitz (a16z)

Singularity University

Products & media

Integrating Harbor for End-to-End Computer-Use Evaluation

Building a16z’s Personal AI Workstation

Curated Lists

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