Visiting Scientists
CoHSTAR is no longer offering a visiting scientist program. The Visiting Scientist Program offered senior health services researchers an opportunity for in-depth collaboration with our experienced research team.
Former Visiting Scientists

Katherine Berg, PhD, PT
Dates of Affiliation: 6/24/15-12/1/16
CoHSTAR Affiliating Site: Brown University
Area of emphasis: Quality measurement in post-acute care
Dr. Berg is the Chair and Associate Professor of the Department of Physical Therapy, the Executive Chair of the Rehabilitation Sciences Sector; and the Chair of the Graduate Department of Rehabilitation Sciences at the Faculty of Medicine, University of Toronto. She is a fellow of interRAI, an international team of academics, clinicians and health policy professionals committed to developing and using standardized assessments to improve the quality of care to disabled populations.
Kristin Archer, PhD, DPT
Dates of Affiliation: 8/1/2015-8/1/2017
CoHSTAR Affiliating Site: University of Pittsburgh
Area of emphasis: Pragmatic trials, cost effectiveness analysis
Dr. Archer is an Associate Professor of Orthopaedic Surgery, Physical Medicine and Rehabilitation at Vanderbilt University. Her research focuses on how psychosocial factors influence patient outcomes, particularly in surgical populations.

Janet Freburger, PT, PhD
Dates of Affiliation: 9/1/16-8/30/17
CoHSTAR Affiliating Site: Brown University
Area of emphasis: Transitions of Rehabilitation Care
Dr. Freburger is an Associate Director of Medical Practice and Prevention Program, and a Research Fellow at Cecil G. Sheps Center for Health Services Research through the University of North Carolina at Chapel Hill.
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