Our Team

You’ll Benefit from Working With Us.

Schedule an Introductory Consultation with One of Our Experts.


Saara Totterman, MD, PhD, Founder, Chief Medical Officer

A world-renowned radiologist, Saara has pursued innovation in radiology for decades.She is the inventor of 13 US patents on MRI and image analysis technologies and has authored and contributed to over 135 peer-reviewed publications and scientific presentation. She holds multiple patents on pulse sequences and has helped designed coils. She has always sought accuracy in radiology and once, her drive to precisely assess mouse knee cartilage in a clinical scanner drove her to create a custom knee coil design. Prior to becoming a co-founder of Qmetrics, she was the director of the MR center and professor of radiology at the University of Rochester Medical Center and was a co-founder of VirtualScopics. She received a Bachelor of Science from the University of Turku, Finland, her medical degree from the University of Oulu, Finland, and her doctorate from the University of Bergen School of Medicine in Norway.

José Tamez-Peña, PhD, Founder

José is a leading expert in the field of computer vision and image segmentation techniques and is the inventor of several US patents for segmentation and analysis techniques. His expertise has put him on the forefront of data analysis using artificial intelligence (AI) and led him to develop machine learning techniques to aid image analysis. He is the author of the core technology used by Qmetrics. He is the author of approximately 100 scientific publications and has presented several studies based on high-precision analysis of OAI image data. Not to be confined to medical imaging, José also enjoys capturing our universe with astrophotography. He is currently the Professor of Biomedicine at Instituto Technologico y de Estudios Superiores de Monterrey (ITESM), Monterrey, Mexico. He received a Bachelor of Science in physics engineering and Master of Science in control engineering from ITESM; and a Master of Science and doctorate in electrical engineering and digital signal processing from the University of Rochester.

Edward H. Schreyer, Founder, Chief Executive Officer

Edward Schreyer has extensive product, marketing and management experience in both early-stage companies and large corporations, including PeopleSoft, Silicon Graphics, 3Com and One Touch Systems. As Vice President of Operations at VirtualScopics, Edward managed early-stage core lab development and growth from less than $100K to initial profitability and multi-million dollar revenues. Under his guidance, Qmetrics has grown to include a staff with 60 years of collective experience transforming ideas and technology into commercial products. Edward is a graduate of the Massachusetts Institute of Technology and has contributed to scientific and managerial publications.

Patricia C. González, Founder, Chief Operating Officer 

Patricia has extensive operational experience within CROs and deep knowledge of quality and regulatory practices. Previously she managed service operations at iCardiac, a technologically differentiated cardiac core lab; and she oversaw the commercial application of VirtualScopics’ technology in image processing for clinical trials as well as the transformation of the company into a regulatory-compliant clinical services provider. Patricia holds a Bachelor of Science in Industrial & Systems Engineering from Instituto Technologico y de Estudios Superiores de Monterrey (ITESM), Monterrey, Mexico, a Master of Business Administration from the University of Rochester’s Simon School of Business, and a Master of Humanistic Psychology from Universidad Iberoamericana, Monterrey, México. Using her certificate in Positive Psychology, Patricia provides a realistic human touch to the operations of Qmetrics.

Consulting Radiologists

Joshua M. Farber, MD

Dr. Farber is a board certified radiologist with nearly 20 years of clinical experience. He received his MD from the University of Pennsylvania and was a resident in radiology at New York University. He completed two formal fellowships, one in MSK radiology at New York University and one in MRI at Duke University Medical Center. Dr Farber’s last academic position was Vice-Chair of Clinical Affairs at Indiana University, but he continues to pursue his research interests. Recently, he has published abstracts and peer reviewed articles on articular cartilage segmentation, with a focus on clinical applications. In addition to his work with Qmetrics, he remains active in MSK and MRI society work. He has been on numerous program committees for the ISMRM, RSNA and SSR. Dr. Farber reviews manuscripts for six peer-reviewed journals, and reviews abstracts for the ISMRM and RSNA annual meetings.

Steven P. Meyers, M.D., Ph.D., FACR

Dr. Meyers is a tenured Professor of Radiology, Neurosurgery and Otolaryngology at the University of Rochester School of Medicine and Dentistry, and specializes in Magnetic Resonance Imaging, Computed Tomography, Neuroradiology and Musculoskeletal Imaging. He has been a longtime collaborator with Dr. Totterman and acts as a scientific advisor. Dr. Meyers has received six Faculty teaching awards. He is the Founder and former Director of the Advanced MRI Fellowship Training Program at the University of Rochester which has trained 55 Fellows from all over the United States since 1999. Dr. Meyers was also the Director for the Radiology Residency Program at the University of Rochester from 2010-2017. After earning a Medical Degree from the University of Vermont College of Medicine and a Ph.D. from the University of Wisconsin at Madison, Dr. Meyers completed a Residency in Radiology at the Mt. Sinai Medical Center in Cleveland, OH, (affiliate of Case Western Reserve University); a Fellowship in MRI at the University of Pittsburgh, PA; and a Neuroradiology Fellowship at the University of Rochester School of Medicine and Dentistry. He has Board Certification by the American Board of Radiology, from which he has also received a Certificate of Additional Qualification in the field of Neuroradiology. He is the author and co-author of dozens of scientific and medical articles that have been published in peer-reviewed journals. 

Dr. Pedro Zapata

Dr. Pedro Zapata is a clinical radiologist dedicated to advancing scientific research through innovative approaches that enhance diagnostic accuracy and streamline surgical planning. He earned his Bachelor of Medicine and Surgery degree from the Autonomous University of Nuevo León in Monterrey, Mexico. 

Dr. Pedro completed his Radiology specialization in the Multicenter Residency Program at San José TecSalud Hospital/Metropolitan Hospital, affiliated with Tecnológico de Monterrey. Currently, he is pursuing a Ph.D. in Clinical Sciences at the same institution. 

In addition to his academic pursuits, Dr. Pedro serves as the Medical Director of the Radiology Department at San Felipe de Jesús Hospital in Monterrey, demonstrating his commitment to both research and clinical excellence.


Amber Carr, Senior Project Manager

Amber is a lead Project Manager for Phase II, Phase III, and Phase IV clinical trial studies at Qmetrics. She communicates closely with international site coordinators, MRI and X-Ray technicians, and sponsor representatives, and has represented Qmetrics at numerous international investigator meetings and scientific research conventions. She focuses on making strategic process improvements and eliminating duplicated efforts in order to streamline the workflow at Qmetrics and maintain on-time delivery for trial milestones. Amber has extensive experience in project management, customer service, and account management in various industries. She holds a bachelor’s degree in English and Organizational Leadership from the Arizona State University.