# Tullie Murrell

> CEO and co-founder of Shaped. Builds systems that decide what information
> matters for humans and agents: recommendation, search, and personalization.
> Former Meta FAIR researcher; lead of PyTorchVideo and technical lead of the
> fastMRI team.

## Canonical pages

- About (bio, experience, publications, talks): https://tullie.ai/about
- Writing (essays and notes): https://tullie.ai/writing
- RSS feed: https://tullie.ai/rss.xml
- Sitemap: https://tullie.ai/sitemap-index.xml

## Featured writing

- Building the Relevance Layer: https://tullie.ai/blog/building-the-relevance-layer
- Ranking Architecture (Part 1): https://tullie.ai/blog/ranking-architecture-part-1
- Is This the ChatGPT Moment for Recommendations?: https://tullie.ai/blog/chatgpt-moment-for-recommendations
- The Vector Bottleneck: https://tullie.ai/blog/vector-bottleneck-embedding-retrieval
- Why grep Is Beating Your Vector DB: https://tullie.ai/blog/grep-vs-vector-db-retrieval

## Topics

Recommendation systems, search and retrieval, relevance, real-time
personalization, machine learning, computer vision, MRI reconstruction,
generative AI.

## Profiles

- GitHub: https://github.com/tullie
- Twitter: https://x.com/tulliemurrell
- LinkedIn: https://www.linkedin.com/in/tullie/
- Google Scholar: https://scholar.google.com/citations?user=LjjLn2YAAAAJ
- Shaped: https://www.shaped.ai

## Contact

- Email: tullie@tullie.ai