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Rosa Krajmalnik-Brown

Rosa Krajmalnik-Brown

Chief science officer at Gut-Brain-Axis Therapeutics

Director
Updated Nov 4, 2026·Latest SEC filing Oct 27, 2026·Suggest an edit

About Rosa Krajmalnik-Brown

Rosa Krajmalnik-Brown is chief science officer of Gut-Brain-Axis Therapeutics, which is developing a gut bacteria transplant for autism and Pitt-Hopkins syndrome. She is also one of its directors. She has directed the Biodesign Center for Health Through Microbiomes at Arizona State University since 2020. She is a professor in the university's School of Sustainable Engineering and the Built Environment and a senior sustainability scientist there. Her research covers gut bacteria and their links to obesity, metabolism and autism.

At Arizona State she became an assistant professor in 2007, an associate professor in 2013 and a professor in 2018. She was engineering research director for the School of Sustainable Engineering and the Built Environment from 2012 to 2015. She joined the university as a postdoctoral scholar in 2005, and she worked as a process engineer at IBtech in Mexico City in 1996 and 1997. She holds a PhD in environmental engineering from Georgia Tech.

Experience

This experience comes from official bios and from SEC filings. For roles taken from filings, the years are when the filings name Rosa Krajmalnik-Brown in the role, so the role may have started earlier or lasted longer.

Gut-Brain-Axis Therapeutics Inc. Current
Chief Science Officer and director
2025 – Present · Tempe, AZ
Develops a treatment that replaces harmful gut bacteria with healthy donor bacteria, aimed at autism and Pitt-Hopkins syndrome.
Arizona State University Current
Director, Biodesign Center for Health Through Microbiomes (2020 – Present)
Professor, School of Sustainable Engineering and the Built Environment (2018 – Present)
Senior Sustainability Scientist, Global Institute of Sustainability (2011 – Present)
Associate Professor, School of Sustainable Engineering and the Built Environment (2013 – 2018)
Engineering Research Director, School of Sustainable Engineering and the Built Environment (2012 – 2015)
Assistant Professor, Civil, Environmental and Sustainable Engineering (2007 – 2013)
Post-Doctoral Scholar, Center for Environmental Biotechnology, Biodesign Institute (2005 – 2007)
2005 – Present
IBtech, Inc., Mexico City
Process Engineer
1996 – 1997

Key Colleagues at Startups

The people Rosa Krajmalnik-Brown works with at each company, as listed on that company's latest Form D.

Gut-Brain-Axis Therapeutics Inc. · Form D/A, Oct 27, 2026
James Adams
James Adams
President and Chief Executive Officer, director
Alexander Khoruts
Alexander Khoruts
Chief Medical Officer and director
Michael Sadowsky
Michael Sadowsky
Chief Manufacturing and Operations Officer, director

Rosa Krajmalnik-Brown in the News

Sources

  1. SECGut-Brain-Axis Therapeutics Inc. Form D/A, filed Oct 27, 2026