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Research Staff

Madhukar H. Trivedi, M.D.
Texas Node Principal Investigator

Robrina Walker, Ph.D.
Texas Node Coordinator and Scientific Director

Bryon Adinoff, M.D.
RRTC Faculty

Raul Caetano, M.D., M.P.H., Ph.D.
RRTC Faculty

Thomas Carmody, Ph.D.
Biostatistician

Karen G. Chartier, PhD, MSW
Scientific Collaborator
Previously CTN-0052 Site PI, CTN-0046 Site Co-PI

A. Rebecca Crowell, M.Ed., Ed.S., LPC, LCDC
CTP Director, Nexus Recovery Center

Michael A. Dawes, M.D.
CTP Director
Previously CTN-0048 Site PI

Douglas W. Denton, MA, LCDC
CTP Director

C. Eliot deGravelles, M.D.
CTN-0058 Study Physician
Previously CTN-0046 Site Co-PI

Matt Feehery, MBA, LCDC
CTP Director

Tracy L. Greer, Ph.D.
RRTC Faculty
CTN-0037 Project Director

Mamta Jain, M.D.
CTN-0049 Site PI

Thomas Kosten, M.D.
Scientific Collaborator

Alicia Kowalchuk, DO
CTP Director

Ank Nijhawan, M.D.
CTN-0049 Site Co-PI

Thomas F. Northrup, Ph.D.
Scientific Collaborator
Previously CTN-0037 Site PI

Jennifer Potter, Ph.D., M.P.H.
RRTC San Antonio Leader

Karla Ramirez, LCSW
CTP Director

Chad Rethorst, Ph.D.
CTN-0037 National Intervention Director

Cindy Seamans, Ph.D., LPC
Previously CTN-0037 Site PI, CTN-0031 Site PI

Kathy Shores-Wilson, Ph.D.
Regulatory Director

Angela Stotts, Ph.D.
RRTC Houston Leader

Mary Velasquez, Ph.D.
RRTC Faculty

Scott Walters, Ph.D.
Scientific Collaborator
Previously CTN-0044 Site PI

Diane Warden, Ph.D., M.B.A.
Scientific Collaborator