# Feargal J. Ryan, PhD

> Microbiologist, bioinformatician and systems biologist studying how the microbes and viruses in our bodies shape immunity, vaccine responses and disease.

Dr Feargal J. Ryan is a leading computational biologist, working across microbiology, bioinformatics and systems biology. His discoveries, published in journals including Nature and Science, have started clinical trials and are cited in health guidance from the UK, US, Germany, the European Union and the World Health Organization. He is on the Stanford/Elsevier list of the world's top 2% of scientists.

Also published as: Feargal Ryan, F. J. Ryan, Fergal Ryan.
Current roles: NHMRC Emerging Leadership Fellow & Senior Research Fellow, Flinders University; Group Leader Computational Multi-Omics · Flinders University & SAHMRI; Vice-President Australian Bioinformatics & Computational Biology Society.
Expertise: Microbiology, Microbiome, Bioinformatics, Systems biology, Systems immunology, Gut virome, Bacteriophages, Vaccine responses, Long COVID, Inflammatory bowel disease, Metagenomics, Multi-omics integration.
Google Scholar (2026-09-13): 6724 citations, h-index 28.

## Pages
- [Research](https://feargalryan.com/research/): Early-life microbes & vaccine responses; Molecular mechanisms of long COVID; Precision medicine for IBD; The human gut virome
- [Software & methods](https://feargalryan.com/software/): TaxSEA (Taxon set enrichment analysis for microbiome data); OpusTaxa (One workflow for shotgun metagenomes, from raw reads to results)
- [Publications](https://feargalryan.com/publications/): all 52 publications
- [Talks](https://feargalryan.com/talks/)
- [Community & service](https://feargalryan.com/community/)
- [CV](https://feargalryan.com/cv/)
- [Contact](https://feargalryan.com/contact/)
- [Full text for LLMs](https://feargalryan.com/llms-full.txt)

## Profiles
- ORCID: https://orcid.org/0000-0002-1565-4598
- Google Scholar: https://scholar.google.com/citations?user=9hGB7goAAAAJ
- GitHub: https://github.com/feargalr
- LinkedIn: https://www.linkedin.com/in/feargal-ryan-978a75135/
- Flinders University: https://www.flinders.edu.au/people/feargal.ryan