About the Team

Dr. Allen Brown 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, Medical Director
    • 25 years of brain rehabilitation experience
    • Consultant, Department of Physical Medicine and 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 National Institute on Disability Independent Living, and Rehabilitation Research (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 practical behavioral trials
    • Numerous regional, national and international presentations
    • Over 60 peer-reviewed publications and book chapters
  • Thomas F. Bergquist, Ph.D., L.P.
    Co-Investigator, Program Director
    • 25 years of brain rehabilitation experience
    • Consultant, Department of Physical Medicine and Rehabilitation; Department of Psychiatry and Psychology
    • Diplomate, American Board of Clinical Neuropsychology
    • History of collaborative research with other National Institute on Disability, Independent Living, and Rehabilitation Research (NIDILRR) and non-NIDILRR 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 in persons with traumatic brain injury
    • Over 30 published journal articles and book chapters
  • Anne M. Moessner, R.N., C.N.S.
    Project Coordinator
    • 32 years of brain rehabilitation experience
    • Master of Science in nursing, board-certified advanced practice registered nurse, certified clinical nurse specialist, certified rehabilitation registered nurse, certified case manager
    • Secretary, Mayo Clinic TBI Regional Advisory Council
    • Project coordinator, Mayo Clinic Traumatic Brain Injury Model System and all primary and collaborative studies since 1998
    • Local PI on select collaborative research studies, PI for multi-site study on safety following TBI
    • Editor, Mayo Clinic Traumatic Brain Injury Model System newsletter
    • Member, Traumatic Brain Injury Model System Data Committee
    • Numerous regional, national and international presentations
    • Recipient of multiple awards
  • Jay Mandrekar, Ph.D.
    Statistical Consultant
    • 15 years of brain rehabilitation research experience
    • Senior associate 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
    • Over 170 publications
  • Nancy N. Diehl
    Data Manager
    • 19 years of brain 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
    • Member, TBI National Data and Statistical Center Data Committee
    • Multiple work achievement awards
    • Co-author of 139 peer-reviewed articles
    • Co-editor, Mayo Clinic TBIMS website
  • Kathryn S. Kendall, R.N.
    • 38 years of brain rehabilitation experience and 15 years of brain research experience
    • Bachelor of Science in nursing, certified rehabilitation registered nurse
    • Training in adult and pediatric brain-reserve capacity
    • Member, Mayo Clinic TBI Regional Advisory Council
    • Recruiter for all subjects for national Traumatic Brain Injury Model System studies (2014 to present)
    • Form I and Form II data collection for Traumatic Brain Injury Model System subjects (2014 to present)
    • Form I certified and trained in Functional Independence Measure and Disability Rating Scale
    • Numerous local and regional presentations
  • Nicole L. Dernbach
    Study Coordinator
    • Three years of brain research experience
    • Bachelor of Science in psychology
    • Responsible for CONNECT Trial site specific study
    • Key personnel for TBIMS module studies
    • Co-editor, Mayo Clinic Traumatic Brain Injury Model System website

Affiliations

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