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Calimetrix, LLC

  • About Calimetrix

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    Calimetrix was launched in 2016 by physicians and researchers from the University of Wisconsin-Madison. We are dedicated to the development of high-quality quantitative imaging phantoms that meet the needs of the clinical and research communities. Our phantoms are helping our customers around the world to perform clinical quality assurance, facilitate clinical trials, and develop and test new quantitative imaging biomarkers.

Calimetrix Team

Jean H. Brittain, Ph.D. is the Chief Executive Officer at Calimetrix. Prior to her current position, Dr. Brittain worked for GE Healthcare for 15 years, with more than 10 years spent managing R&D teams, and was a Senior Scientist at UW-Madison for 6 years. While at GE Healthcare, Dr. Brittain collaborated with researchers at leading academic medical centers to develop and productize new MRI methods, including quantitative imaging techniques. Dr. Brittain completed her M.S., PhD, and post-doctoral studies in Electrical Engineering at Stanford University where her research focused on magnetic resonance imaging. Dr. Brittain is a Fellow of the International Society for Magnetic Resonance in Medicine, with 25+ years of experience in MRI research, 60+ peer-reviewed manuscripts, and 21 patents.


Jean Brittain, PhD

Chief Executive Officer

Diego Hernando, Ph.D., Chief Scientific Officer at Calimetrix, is an Assistant Professor in the Departments of Radiology and Medical Physics at University of Wisconsin, Madison. He is an electrical engineer with a background in signal processing and imaging physics, and 15+ years of experience in the development and translational validation of MRI-based quantitative imaging biomarkers. He has a PhD in Electrical Engineering from the University of Illinois at Urbana-Champaign. Dr. Hernando has published over 140 peer-reviewed manuscripts and holds 12 patents on MRI technologies.


Diego Hernando, PhD

Chief Scientific Officer

Scott B. Reeder, M.D., Ph.D. is a Professor and Chair of the Department of Radiology at the University of Wisconsin, Madison. He joined UW-Madison in 2005 from Stanford University where he completed his radiology residency, and a fellowship in abdominal and cardiovascular imaging. He completed his medical degree and Ph.D. in Biomedical Engineering at Johns Hopkins University. Dr. Reeder is the Director of the UW Liver Imaging Research Program, an active NIH-funded group that performs research in technical development and translation of quantitative imaging biomarkers. Dr. Reeder has 25+ years of experience in MRI research, 350+ peer-reviewed manuscripts, and 40 patents.


Scott Reeder, MD, PhD

Chief Medical Officer


Brenda Soto, PhD

Director, Quality Management System


Jeff Kammerman, MS

Product Development Scientist


Rachel Krause, MS

Operations Supervisor and Product Supply Manager


José Guerrero, PhD

Imaging and Production Scientist


David Rutkowski, PhD

Lead Engineer and R&D Manager


Robert Moskwa, PhD

MRI Scientist