# David J Crawford

> Product person and systems thinker — roughly a decade each as a software engineer and a UX/design leader, now in AI product. This is the profile front door; the writing, projects and knowledge base live on the portfolio.

- [Profile](https://davidjcrawford.github.io/): this landing page.
- [Portfolio](https://davidjcrawford.github.io/Portfolio/): writing, projects and an explorable knowledge graph. See its own `https://davidjcrawford.github.io/Portfolio/llms.txt` for a full map and `https://davidjcrawford.github.io/Portfolio/llms-full.txt` for the complete text.
- [GitHub](https://github.com/DavidJCrawford): code and this site's source.