Contact Us

For general inquiries about the Medical Rehabilitation Research Resource Network, you may email the coordinating center of the network at Please use the directory below to locate email address for specific personnel of the MR3 Network centers.

MR3N logo


Rick Segal, Ph.D., PT, FAPTA

Randal D. Davis, MBA
Associate Lead

Cynthia Gittinger
Grants Administrator

Emilie LaPlante
Program Coordinator

Sue Cwik
Program Manager

Chris Schachte
Webmaster and Information Technology Coordinator

AR3T logo

Fabrisia Ambrosio, Ph.D., MPT
Principal Investigator, Pittsburgh Site Lead

Michael Boninger, M.D.
Principal Investigator, Pittsburgh Site

Thomas Rando, M.D., Ph.D.
Principal Investigator, Stanford Site Lead

Carmen Terzic M.D., Ph.D.
Co-Investigator, Mayo Clinic Site Lead

Linda Noble-Haeusslein, Ph.D.
Co-Investigator, UT Austin Site Lead

Gwendolyn Sowa

Kaitlin Geran
Program Manager


Scott Delp, Ph.D.
Principal Investigator, Mobile Biomechanics Lead

Trevor Hastie, Ph.D.
Data Science Core Lead

Maarten Lansberg, M.D., Ph.D.
Clinical Outcomes Core Co-Lead

Matthew Smuck, M.D.
Clinical Outcomes Core Co-Lead

Jen Hicks, Ph.D.
Pilot Projects Director, Fellows Program Director

Joy Ku, Ph.D.
Promotions and Didactic Interactions Director

C-STAR logo

Rick Lieber, Ph.D.
Principal Investigator

Zev Rymer, M.D., Ph.D.
Principal Investigator

C. Hendricks Brown
Implementation Science and Community Engagement Core Director

Namratha R Kandula, M.D., MPH
Implementation Science Core Co-Director

Julius Dewald, Ph.D.
Clinical Core Co-Director

Leora R. Cherney, Ph.D., CCC-SLP, BC-ANCDS
Pilot Program Director

Shannon Stanfill
Program Manager

Linda Resnik, PT, Ph.D.
Director. Pilot Core Co-Director

Rosa Baier, MPH
Learning Health Systems Scholars Co-Director

Melissa Clark, Ph.D.

Janet Freburger, PT, Ph.D.
Learning Health Systems Innovation Hub Director, Learning Health Systems Scholars Program Co-Director

Theresa Shireman, Ph.D.
Pilot Program Co-Director, Education Program Co-Director

Mary Slavin, PT, Ph.D.
Dissemination Core Director, Education Program Co-Director

Christine McDonough, PT, PhD
Techniques Component Director

Margarite Whitten
Program Manager

Kara Jackman
Communications Manager

The National Center of Neuromodulation for Rehabilitation: An NIH Medical Rehabilitation Research Resource Network at Medical University of South Carolina

Steve Kautz, Ph.D.
Principal Investigator

Rick Segal, Ph.D., PT, FAPTA
Promoting Center Expertise Core Lead
and Didactic Interactions Core Lead

Mark George, M.D.
Scientific Director

Randal Davis, MBA
Evaluation Director

Heather Boger, Ph.D.
Pilot Grants Co-lead

George Wittenberg, M.D., Ph.D., FASNR
Pilot Grants Co-lead

Aiko Thompson, Ph.D.
Mentored Collaborative Opportunities Core Lead

Cynthia Gittinger
Grants Administrator

Michelle McLeod, Ph.D., ATC
Program Manager


Sharon Ramey, Ph.D.

Stephanie DeLuca, Ph.D.
Didactic Interactions Core Leader

Amy Darragh, Ph.D., OTR, FAOTA
Pilot Studies Core Leader

Craig Ramey, Ph.D.
Promoting Center Expertise Core Leader

Jill Heathcock, MPT, Ph.D.
Techniques Development Core Leader

Warren Lo, M.D.
Mentored Collaborative Opportunities Core Leader