# David Spiegel

> Product and growth leader and hands-on builder based in San Francisco. Experience across direct-to-consumer telehealth, programmatic advertising, publisher monetization, e-commerce, and B2B and consumer software.

This is the AI-readable index for [heyspiegel.com](https://heyspiegel.com). The profile below provides the detailed background for questions about David's work, experience, projects, and potential fit for a role or collaboration.

## Background

- [David Spiegel's professional profile](https://heyspiegel.com/me.txt): Start here for an introduction. Product and growth leadership, commercial results, and hands-on building. Includes career history, project decisions, working style, education, and contact information, with links for deeper reading.
- [CV](https://heyspiegel.com/cv): Career history, consulting engagements, education, and selected results.

## Writing

- [Writing index](https://heyspiegel.com/blog): David's published articles about building products and working with AI.
- [Building Obeagle](https://heyspiegel.com/blog/building-obeagle): David's account of building a consumer video product, including design, moderation, reliability, privacy, and cost decisions.
- [I got ChatGPT to recommend me in four days](https://heyspiegel.com/blog/chatgpt-recommend-me-four-days): A small experiment in influencing AI recommendations through a publication David owned, with observations about source ownership and the limits of the results.

## Optional

- [Personal website](https://heyspiegel.com): The human-readable introduction and portfolio.
- [AI activity](https://heyspiegel.com/ai-activity): A dated snapshot of recorded AI coding-tool usage, with coverage notes by tool. See the page for the snapshot date.
- [GitHub](https://github.com/davidspiegs): Code and published projects.
- [LinkedIn](https://www.linkedin.com/in/davidaspiegel/): Professional profile.
- [AdTech Eval Lab](https://github.com/davidspiegs/adtech-eval-lab): Two synthetic advertising-operations evaluations with 29 deterministic checks.