# Geoffrey Fairchild, Ph.D.

> Personal homepage for Geoffrey Fairchild, Ph.D. — AI/ML researcher and national security leader based in Santa Fe, New Mexico, USA.

With over a decade at Los Alamos National Laboratory, Geoffrey Fairchild grew as a computer scientist into a leader, building the science and tools to meet critical national security challenges. As Deputy Director of LANL's National Security AI Office, he shapes Lab-wide AI strategy, manages partnerships across the DoD, IC, industry, and academia, and ensures technical capabilities align with mission needs. He has led a group of about 100 researchers, with a leadership philosophy rooted in caring as deeply for the people doing the work as for the purpose driving it. What he's here for: cutting-edge science and AI in service of problems that actually matter.

## Experience

- Deputy Director, National Security AI Office — 2025–Present, Los Alamos National Laboratory
- Global Security AI Program Manager, National Security AI Office — 2025–2025, Los Alamos National Laboratory
- Group Leader, Information Systems and Modeling Group — 2023–2025, Los Alamos National Laboratory
- Science Advisor — 2020–2024, United States Strategic Command
- Scientist — 2015–2023, Los Alamos National Laboratory
- Graduate Research Assistant — 2012–2015, Los Alamos National Laboratory
- Research Assistant — 2009–2014, University of Iowa
- Teaching Assistant — 2008, University of Iowa
- Associate Software Engineer — 2006–2008, 21st Century Technologies

## Education

- Ph.D., Computer Science — 2014, University of Iowa. Thesis: [Improving disease surveillance: sentinel surveillance network design and novel uses of Wikipedia](https://doi.org/10.17077/etd.sfbu328x)
- M.S., Computer Science — 2011, University of Iowa
- B.S., Computer Science — 2008, University of Texas at Austin
- B.S., Mathematics — 2008, University of Texas at Austin

## Projects

- [pyHarmonySearch](https://github.com/lanl/pyHarmonySearch): Pure Python implementation of the harmony search global optimization algorithm
- [pyxDamerauLevenshtein](https://github.com/lanl/pyxDamerauLevenshtein): Cython implementation of the Damerau-Levenshtein edit distance algorithm for Python
- [yelpapi](https://github.com/lanl/yelpapi): Pure Python implementation of the Yelp Fusion API

## Profiles

- [LinkedIn](https://www.linkedin.com/in/gfairchild/)
- [ORCID](https://orcid.org/0000-0001-5500-8120)
- [Google Scholar](https://scholar.google.com/citations?user=lAIx5CMAAAAJ)
- [GitHub](https://github.com/gfairchild)