# Jason — Builder · PM · Co-founder @ HeyGo

> Personal portfolio and writing of Jason, a builder-PM with 12 years shipping 0→1 products across ad tech, SaaS, and AI.

## Who I am

Jason is co-founder & CPO at HeyGo, building an AI snowboarding coach with real-time motion intelligence. Previously shipped Feishu Docs (ByteDance), Douyin game distribution systems, and Tencent's programmatic ad bidding platform.

Core thesis: AI agents as teammates, not just tools. 48-hour prototype loops. Agent harness over prompt engineering.

## Writing

Long-form essays at /writing. Topics: agents, hardware-AI, product sense, PKM, knowledge graphs.

- /writing/002-turning-my-brain-into-an-api — "I Spent Three Months Turning My Brain into an API" (2026-05-28) — on building a JSON-LD knowledge graph operated by Claude Code agents

## Projects

- HeyGo — AI snowboarding coach. Edge AI, event-driven coaching pipeline.
- ITO Engine — open-source personal knowledge graph for AI-native workflows (AGPL-3.0)
- Team OS — AI-first operations system for small teams

## Contact

Jason@heygo.ai · github.com/0xjason126