# Jeffrey Quesnelle

> Jeffrey Quesnelle is the co-founder and CTO of Nous Research. His work spans automotive communication software, cryptocurrency privacy research and open AI, including co-authorship of YaRN and DeMo. His early literary AI projects grew out of a childhood enthusiasm for Choose Your Own Adventure books.

- **Role:** Co-founder & CTO at Nous Research
- **Organizations:** Nous Research, Intrepid Control Systems
- **Education:** M.S. in Computer Science, University of Michigan-Dearborn, Undergraduate degree in Computer Science and Mathematics, Oakland University
- **Known for:** Co-founder of Nous Research., Co-author of YaRN, a compute-efficient method for extending language-model context windows., Co-author of DeMo, reducing communication requirements in distributed model training.

## Career timeline

- **2015** — Co-authored Automotive Ethernet - The Definitive Guide.
- **2017** — Published On the linkability of Zcash transactions.
- **2018** — Presented on AUTOSAR Secure Onboard Communication at RSA Conference while working at Intrepid Control Systems.
- **2023** — Published literAI, SAT reading-test experiments and the cyoa branching-story application; joined the researchers who formed Nous Research.
- **2023** — Co-authored YaRN, first submitted to arXiv in August.
- **2024** — YaRN appeared at ICLR; first DeMo preprint submitted in November.
- **2026** — Updated DeMo preprint in February; personal site lists DeMo at ICLR 2026.

## Achievements

- Co-founder of Nous Research.
- Co-author of YaRN, a compute-efficient method for extending language-model context windows.
- Co-author of DeMo, reducing communication requirements in distributed model training.
- Lead software architect of Vehicle Spy at Intrepid Control Systems.
- Author of research on Zcash transaction linkability.
- Creator of literAI and cyoa; developer of the open-source nds4droid emulator.

## Latest updates

- **2026-02** — The revised DeMo paper reports experiments with up to 85-fold less data transmitted per GPU than AdamW-DDP in the tested settings.
- **2025-10** — Appeared on TWiT’s Intelligent Machines to discuss open, user-controlled AI.
- **2025-10** — Nous announced an expanded scope for Psyche training, shifting emphasis toward model performance.

## Links

- Website: https://jeffq.com/
- LinkedIn: https://www.linkedin.com/in/jeffrey-quesnelle-2490a524
- Twitter/X: https://x.com/theemozilla
- GitHub: https://github.com/jquesnelle

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Profile page: https://yespress.io/jeffrey-quesnelle
Published by YesPress — https://yespress.io
Last updated: 2026-10-11