Faculty and Staff

John Terrizzi, PhD, LCSW
Director, School of Social Work, Psychology & Philosophy; Associate Professor
JTerrizziJr@twu.edu

Brandi Felderhoff, PhD, LCSW-S, APHSW-C

Associate Professor, MSW Program Coordinator 
Student Association for Masters Social Workers (SAMSW), Advisor
Office: OMB 410N
Phone: 940-898-2072
bfelderhoff@twu.edu

Marta Mercado-Sierra, PhD, MSW

Associate Professor, MSW Program
Office: OMB 411K
Phone: 940-898-2075
mmercadosierra@twu.edu

Shamsun Nahar, PhD

Associate Professor; Phi Alpha Co-Advisor
Office: OMB 411E
Phone: 940-898-2004
snahar1@twu.edu

Nila Ricks, PhD, LCSW

Professor, Social Work
Student Association for Social Work (SASW) Co-Advisor
Office: OMB 410H
Phone: 940-898-2077
nricks@twu.edu

Briana Riley, LMSW

Visiting Assistant Professor
Office: OMB 4141H
Phone: 940-898-2264 
briley5@twu.edu

Emarely Rosa-Dávila, PhD, MSW

Associate Professor, BSW Program Coordinator
Student Association for Social Work (SASW) Co-Advisor
Office: OMB 411J
Phone: 940-898-2083
erosadavila@twu.edu

Ratonia Runnels, PhD, MSSW

Associate Director, School of Social Work, Psychology, and Philosophy, BSW and MSW Field Coordinator
Office: OMB 411D
Phone: 940-898-2078
rrunnels1@twu.edu

Abigail Tilton, PhD

Professor, Social Work Program
Phone: 940-898-3351
atilton@twu.edu

Linda Marshall, Ph.D., LMSW

Professor Emerita
lmarshall@twu.edu 

Mark Sandel, LMSW

Professor Emeritus
msandel@twu.edu 

Rishun Beasley, LCSW

Associate Grant Program Director
Office: OMB 410K
Phone: 898-940-2075
rbeasley1@twu.edu 

BSW Program Advisor

Rachel Tipsword, LMSW

rtipsword@twu.edu