Alexander Guimaraes

Alexander Guimaraes is Section Head of Abdominal Imaging in the Department of Radiology at Oregon Health & Science University (OHSU), specializing in precision medicine, molecular imaging, and cancer research. His work focuses on developing quantitative MRI tools for early cancer diagnosis and therapy evaluation.

Education:

• B.S. Nuclear Engineering, University of Michigan (1988)
• Ph.D. Radiological Sciences/Nuclear Engineering, Massachusetts Institute of Technology (1994)
• M.D., Harvard Medical School (1999)
• Residency in Diagnostic Radiology, Massachusetts General Hospital (2004)
• Fellowship in Abdominal Imaging, Massachusetts General Hospital (2005)

Research: Dr. Guimaraes leads initiatives in cancer imaging, particularly pancreatic cancer, using advanced MRI/PET-MRI techniques to analyze tumor microenvironments. His NIH-funded work bridges translational research and clinical applications, emphasizing quantitative biomarker development.

Publications: Recent articles (2021-2025) demonstrate a focus on oncology innovation, including pancreatic/breast cancer mechanisms, imaging standardization, and precision therapeutics. Key themes include tumor heterogeneity, quantitative biomarker validation, and clinical translation of imaging technologies.

Awards & Leadership: Honored for pioneering pancreatic cancer imaging with magnetic nanoparticles. Former Medical Director of Martinos Center for Biomedical Imaging at Massachusetts General Hospital.

Mentoring: Actively mentors faculty and students at OHSU, with prior teaching roles at MIT/Harvard in anatomy and MRI. Served on Harvard/MIT Health Sciences admissions committee.