# Colin Gardiner, Angel Investor

Investor in Austin, Texas

## About Colin Gardiner, Angel Investor

Colin Gardiner is an angel investor with a focus on marketplaces and startup innovation. His portfolio includes howie, a seed-stage company that raised $6M in 2025 to build AI-driven marketplace solutions.

He invests in companies that strengthen marketplace dynamics and provide tools for startup operators.

Colin is the Author of Take Rate by Colin Gardiner, a startup and marketplace newsletter and podcast, and Co-Founder of Longtail, a company focused on marketplace innovation. These roles highlight his commitment to supporting operators and building next-generation marketplace platforms, though they are not direct investments.

## People

- **Colin Gardiner**, Angel Investor

## Key Facts

- **Location:** Austin, Texas
- **Investor Type:** Angel Investor

## Investment Industries

- Artificial Intelligence (AI)
- E-Commerce

## How to Contact

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