About the Team

Allen W. Brown, M.D., leads an expert group of faculty and staff in the Traumatic Brain Injury Model System at Mayo Clinic.

  • Allen W. Brown, M.D.
    Project Director, Principal Investigator
    • 25 years of brain rehabilitation experience
    • Consultant, Department of Physical Medicine and Rehabilitation
    • Research director, Division of Brain Rehabilitation
    • Professor of physical medicine and rehabilitation, Mayo Clinic College of Medicine and Science
    • Subspecialty certification, Brain Injury Medicine, American Academy of Physical Medicine and Rehabilitation
    • Past division chair and medical director, brain rehabilitation and research programs
    • Diplomate, American Board of Physical Medicine and Rehabilitation
    • Fellow, American Academy of Physical Medicine and Rehabilitation
    • Past chair, Minnesota Department of Health, State Trauma Advisory Council
    • Department of Defense, Congressionally Directed Medical Research Programs, Peer Reviewed Alzheimer's Research Program
    • Convergence Science Research Award researcher
    • History of collaborative research with other NIDILRR and non-NIDILRR centers
    • Extensive research experience in TBI-related impairment, epidemiology and outcomes after TBI in the very long-term, community-based randomized pragmatic clinical trials
    • Member, Traumatic Brain Injury Model System Planning and Research committees
    • Numerous regional, national and international presentations
    • More than 65 peer-reviewed publications and book chapters
  • Thomas F. Bergquist, Ph.D., L.P
    Co-Investigator
    • 25 years of brain rehabilitation experience
    • Consultant, Department of Physical Medicine and Rehabilitation; Department of Psychiatry and Psychology
    • Associate professor of psychology, Mayo Clinic College of Medicine and Science
    • Diplomate, American Board of Clinical Neuropsychology
    • History of collaborative research with other NIDILRR- and non-NIDILRR-funded centers
    • Member of the International Neuropsychological Society, American Congress of Rehabilitation Medicine, American Academy of Clinical Neuropsychology and Acquired Brain Disorders Subcommittee at Mayo Clinic
    • Numerous regional, national and international presentations
    • Extensive research experience in conducting telerehabilitation
    • More than 30 published journal articles and book chapters
  • Billie A. Schultz, M.D.
    Medical Director
    • Consultant, Department of Physical Medicine and Rehabilitation
    • Subspecialty certification, Brain Injury Medicine, American Academy of Physical Medicine and Rehabilitation
    • Diplomate, American Board of Physical Medicine and Rehabilitation
    • Chair, Mayo Division of Brain Rehabilitation
    • Director, Brain Injury Rehabilitation Medicine Fellowship, Mayo Clinic
    • Chair, Mayo Acquired Brain Disorders Subcommittee
    • More than 10 years of brain rehabilitation experience
    • Member, Traumatic Brain Injury Model System Dissemination Committee
    • Numerous regional and national presentations
  • Anne M. Moessner, R.N.
    Research Coordinator
    • 32 years of brain rehabilitation experience, 26 years of TBI research experience
    • Master of Science in nursing, board-certified advanced practice registered nurse, certified clinical nurse specialist, certified rehabilitation registered nurse, certified case manager
    • Research coordinator for all primary and collaborative studies since 1998
    • History of collaborative research with other NIDILRR and non-NIDILRR centers
    • Principal investigator on select collaborative research studies, principal investigator for multisite study on safety after TBI
    • Secretary, Mayo Clinic TBI Regional Advisory Council
    • Editor, Mayo Clinic Traumatic Brain Injury Model System newsletter
    • Member, Traumatic Brain Injury Model System Data Committee
    • Numerous regional, national and international presentations
    • More than 20 peer-reviewed publications
    • Multiple work achievement awards
  • Jay Mandrekar, Ph.D.
    Statistical Consultant
    • 15 years of TBI research experience
    • Consultant, Division of Biomedical Statistics and Informatics
    • Consultant (joint appointment), Department of Neurology
    • Statistical consultant, Mayo Clinic Traumatic Brain Injury Model System, 2002 to present
    • Co-investigator and statistician on National Institutes of Health, National Institute of Neurological Disorders and Stroke (NINDS), National Multiple Sclerosis Society and other grants
    • Biostatistics editor of Cephalalgia
    • More than 170 peer-reviewed publications
  • Nancy N. Diehl
    Data Manager
    • 19 years of TBI research experience
    • Certification as a quality engineer, American Society for Quality
    • Statistical programmer analyst level III, Division of Biomedical Statistics and Informatics
    • More than 38 years of experience in business and medical database management and statistical applications, including Statistical Analysis System applications
    • Data manager, Traumatic Brain Injury Model System since 1998
    • Multiple work achievement awards
    • More than 140 peer-reviewed publications
  • Kathryn S. Kendall, R.N.
    Data Collector
    • 38 years of brain rehabilitation experience; 15 years of TBI research experience
    • Bachelor of Science in nursing, certified rehabilitation registered nurse
    • Member, Mayo Clinic TBI Regional Advisory Council
    • Recruiter for all subjects for national Traumatic Brain Injury Model System studies, 2014-present
    • Form I and Form II data collection for Traumatic Brain Injury Model System subjects, 2014-present
    • Numerous local and regional presentations
  • Nicole L. Dernbach, C.C.R.P
    Study Coordinator
    • Four years of TBI research experience
    • Certified Clinical Research Professional
    • Bachelor of Science in psychology
    • Study coordinator for all site specific and module studies
    • Editor, Mayo Clinic Traumatic Brain Injury Model System website

Affiliations

The Traumatic Brain Injury Model System is affiliated with the following research areas: