Chandler Koglmeier

Builder, investor, dad. Based in Denver.

Exploring a few problems that I've wanted to solve for over a decade.

Writing about AI, human agency, and what makes businesses last.

Investing in and working with early-stage founders.

Building now

Radar

A workspace for private investing, now live in beta. Review a pitch, keep the evidence behind a decision, and follow an investment over time. The core engine is open source. Try it at useradar.app.

Group travel · Stealth

Currently in closed beta. If you're the friend or family member who turns “we should take a trip” into an actual trip, get in touch.

Previously

Writing

Selected essays

Building and Testing Software that Thinks 2026

How staged AI workflows make evidence, judgment, and model failures inspectable.

The work must stay yours 2026

On keeping control of your data, context, and work as AI becomes part of the workflow.

The Era of Human Agency, Six Months In 2026

What held up in the human agency thesis, what I missed, and what comes next.

On durability 2026

What makes a business hard to replicate and worth staying with.

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