Core and Primary Faculty

Joan Ash, Ph.D., M.L.S., M.S., M.B.A.


Professor and Vice Chair

Research Interests: Implementation of Clinical Information Systems, Computerized Physician Order Entry.
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Eilis Boudreau, M.D.

Associate Professor

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Amy Cantor, M.D., M.P.H.

Amy Cantor

Assistant Professor

Investigator, Pacific Northwest Evidence Based Practice Center

Research Interests: Women's health, public health, epidemiology, and family medicine. Specific expertise and training in women's health, primary care, and systematic review methodology.

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Nancy Carney, Ph.D.


Research Associate Professor

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Michael F. Chiang, M.D.



Research Interests: Telemedicine. Computer-based image analysis for clinical diagnosis. Implementation and evaluation of EHR systems.
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Roger Chou, M.D.



Director, Pacific Northwest Evidence-based Practice Center

Research Interests: Development of evidence-based guidelines for both health screening and the management of pain conditions.

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Aaron M. Cohen, M.D., M.S.

Aaron Cohen


Research Interests: Biomedical text-mining, development and application for biomedical researchers.

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David Dorr, M.D., M.S.

David Dorr

Professor and Vice Chair, Clinical Informatics

Research Interests: Care Management Plus, ICCIS, and TOPMED projects: coordination of care for at-risk persons such as older adults, collaborative care, predictive analytics, chronic disease management, and clinical information system requirements to support the above areas.

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Karen Eden, Ph.D.

Karen Eden


Director of Clinical Track in Biomedical Informatics Graduate Program

Research Interests: Patient and clinician decision-making. Design and evaluation of computerized decision aids for obstetrics, mammograms, smoking-cessation, safety planning for abused women, and fertility preservation for young women.

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Paul Gorman, M.D.



Research Interests: Use of information by clinicians and experts in real-world problem-solving focused on patient care. Naturalistic decision-making, information needs, distributed cooperative problem-solving, distributed cognition, and social informatics.

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Melissa Haendel, Ph.D.

Melissa Haendel

Associate Professor

Co-Director, OHSU Library

Research Interests: Development of anatomical and phenotype ontologies for relating genotypes to phenotypes, Semantic Web technologies, researcher networking, scientific reproducibility, data curation, and user interface design and testing.

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Mark Helfand, M.D., M.P.H.



Research Interests: Use of systematic reviews to inform clinical and public policy, methods for comparative effectiveness research, patient stories.
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William Hersh, M.D.


Professor and Chair

Research Interests: Use of knowledge-based information by healthcare practitioners and researchers. Design of information retrieval systems and educational technologies.

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Michelle Hribar, Ph.D.


Assistant Professor

Research Interests: Usability for medical informatics and high performance computing applications.

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Linda Humphrey, M.D., M.P.H.


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Lisa Karstens, Ph.D., MBI

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Assistant Professor

Research Interests: Using bioinformatics to understand human disease.

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Steven Z. Kassakian, M.D., M.S., FACP

Kassakian, Steven

Assistant Professor 

Research Interests: Clinical decision support and health information exchange.

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Ted Laderas, Ph.D.

Laderas headshot

Assistant Professor

Research Interests: Phenotypic Heterogeneity of Cancer and Measurement using Flow Cytometry Methods, Systems Biology of Cancer.  

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Michael Lieberman, M.D.


Associate Professor

Research Interests: Clinical quality measurement.  I  503-494-2670

Judith Logan, M.D.


Professor Emerita

Research Interests: Dr. Logan's research interests center around the secondary use of clinical data for research, with attention on user interfaces, underlying controlled vocabularies, and data structures.

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Robert Lowe, M.D., M.P.H.


Professor Emeritus

Research Interests: Relationship between emergency department use and access to primary care, especially among vulnerable populations.

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Marian McDonagh, Pharm.D.



Research Interests: Comparative systematic reviews methodology and evidence-based medicine as applied to competing interventions.

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Shannon McWeeney, Ph.D.


Professor and Vice Chair

Head of Division of Bioinformatics & Computational Biology

Research Interests: Development and application of statistical and computational methodologies for functional genomics data such as gene expression (microarray and RNA-seq), chIP-Seq and proteomics.

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Vishnu Mohan, M.D., M.B.I.


Associate Professor

Research Interests: Dr. Mohan is interested in how clinicians make decisions, how they interact with technology, and how technology influences their decision-making, especially in the context of improving patient safety.

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Michael Mooney, Ph.D.


Assistant Professor

Research Interests: Development of statistical and computational methods for understanding how DNA variation influences human disease.

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Cynthia Morris, Ph.D., M.P.H.

Cynthia Morris

Professor and Vice Chair

Research Interests: Etiology and epidemiology of congenital heart disease and epidemiology of cardiovascular disease.

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Heidi Nelson, M.D., M.P.H.

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Research Professor and Vice Chair

Research Interests: Treatment of menopausal symptoms, osteoporosis screening, diagnosis, and treatment, BRCA genetic testing for breast and ovarian cancer susceptibility, and screening for speech and language delay in children, among others.

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Kathryn I. Pyle, A.M.L.S., M.A.

Kathryn Pyle

Assistant Professor

Research Interests: Scientific writing and communication.

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Robert Schuff, M.S.



Research Interests: Clinical research informatics. Design and implementation of tools and methods for clinical and translational research. Secondary use of clinical data for research.  I  503-494-5654

Shelley Selph

Assistant Professor

Xubo Song, Ph.D.



Research Interests: Digital image and video processing; statistical pattern recognition; machine learning; sensor fusion; computer vision; information theory; biomedical engineering.

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Annette Totten, Ph.D.


Assistant Professor

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Joanne Valerius, M.P.H., Ph.D.

Joanne Valerius, MPH, PHD

Assistant Professor

Research Interests: Human resource development in health care settings. Her focus is on a holistic approach to the workplace and how diversity impacts the workplace.

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Amanda Vinson, Ph.D.


Research Assistant Professor 

Research Interests: Finding genetic determinants of cardiovascular disease traits that are conserved between macaques and humans, in order to improve human health. Especially interested in identifying genetic influences on lipoprotein cholesterol content, particle function, and adiposity as risk factors for cardiovascular disease in humans

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Nicole G. Weiskopf, Ph.D

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Assistant Professor

Research Interests: The secondary use of electronic health record (EHR) data. Her dissertation work centered on the assessment and reporting of EHR data quality problems and the development of guidelines to improve the validity and transparency of clinical research efforts that rely on clinical data sources.

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Beth Wilmot, Ph.D.

Beth Wilmot

Research Assistant Professor

Research Interests: Development and application of statistical and computational methodologies for analysis of genomic data (gene expression, SNP variation and copy number variation).

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Thomas Yackel, M.D., M.S.


Associate Professor

Research Interests: Applied medical informatics, specifically, the use of clinical information systems to improve patient care.

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Jianji Yang

Assistant Professor



Christina Zheng, Ph.D.


Research Assistant Professor

Research Interests: Understanding gene regulatory models in relation to disease progression through the development and application of computational/statistical methods for functional genomics (large scale sequencing, DNA, RNA).

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