Sigil Wen

Sigil Wen founded and leads Conway Research, whose first product, Underdog, brings personal AI to devices people own. He is also founder and executive chairman of Extraordinary.com, an investor in technical founders, and a 2025 Thiel Fellow.

Career

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Based in: San Francisco
Elsewhere

Conway Research

Mar 2026 — Present

Founder and Chief Executive Officer

Extraordinary.com

Until Present

Founder and Executive Chairman

Airchat

Advisor
Aug 2022 — Sep 2024
Senior AI Engineer
Apr 2023 — Aug 2024
Founding Engineer
Feb 2023 — Apr 2023

Jerome Fisher M&T Program

Products & media

a16z.com

Investing in Conway, the Creator of Underdog

a16z’s investment essay on Conway Research and Underdog, its personal AI product that runs locally on devices people own.

Writing

github.com

Conway Automaton

An open-source Conway Research project Sigil contributes to, with an agent loop, wallet-based identity, resource budgets, and auditable code changes.

sigilwen.ca

Building Extraordinary

A firsthand account of turning public immigration resources and a founder community into a company.

Writing

youtube.com

How I Earned My Way Into the US

His account of building at Airchat, finding mentors and earning an O-1 visa—the experience behind Extraordinary.

Media appearance

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Sigil Wen

Conway Research

Extraordinary.com

Airchat

Advisor

Senior AI Engineer

Founding Engineer

Jerome Fisher M&T Program

Products & media

Investing in Conway, the Creator of Underdog

Conway Automaton

Building Extraordinary

How I Earned My Way Into the US

Curated Lists

List Inclusions