Justin Hart
Writer. Builder. Operator.
Author of Gone Viral. Founder of Rational Ground (22K subscribers). By day I run direct-response fundraising. By night I build AI tools and ship code. Father of nine. Based in San Diego.
Author of Gone Viral. Founder of Rational Ground (22K subscribers). By day I run direct-response fundraising. By night I build AI tools and ship code. Father of nine. Based in San Diego.
Two Substacks, 25K+ subscribers. Data-driven analysis on policy, culture, and the AI revolution.
Shipping AI tools and automation skills. Open source contributions to the agent ecosystem.
Direct-response strategy and AI efficiency consulting. Making teams faster and sharper.
Data-driven analysis of policy, culture, and things that matter. 22,000+ subscribers. Where the COVID conversation started.
Read on SubstackDispatches from the AI frontier. What's actually working, what's hype, and how to build with it.
Explore Hello AIThe book that documented what really happened. Data, decisions, and what we learned.
Get the BookI gave an AI agent access to my calendar, email, browser, and filesystem. Then I let it loose. It now handles research, writes first drafts, monitors my mentions, and ships code while I sleep. This isn't a thought experiment — it's my daily workflow.
A conversation about where AI is actually going — and what it means for how we work.
For speaking, consulting, or just interesting conversations.