College of Health and Human Services
George Mason University
George Mason University Mason
George Mason University

Patty Ferssizidis, PhD

Project Director, Virginia SBIRT Grant Program

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Dr. Patty Ferssizidis is Assistant Professor in the School of Nursing and a Licensed Clinical Psychologist. Ferssizidis’ research and practice interests focus on psychosocial aspects of health promotion primarily in the areas of substance use, trauma, and anxiety. She is also interested in identifying optimal training approaches to prepare the current and future workforce to support integrated behavioral health as well as adaptation of evidence-based programming to special populations to increase their effectiveness with different groups. 

Ferssizidis has expertise in the areas of areas of behavioral health integration, Screening, Brief Intervention and Referral to Treatment (SBIRT), Motivational Interviewing for behavior change, and Cognitive-Behavioral Therapy. She utilizes these skill sets to work across the healthcare system to promote and support behavioral health program implementation and evaluation. In her work, Dr. Ferssizidis collaborates with a variety of healthcare organizations and community-service boards across the Commonwealth of Virginia.

Before coming to the School of Nursing, Ferssizidis was the Assistant Director of the Center for Psychological Services at Mason, a community-serving training clinic for doctoral students in clinical psychology and masters students in school psychology and social work.

University Service

  • Steering Committee Member, GMU Center for Psychological Services, 2013-2016

Community Service

  • Member, Virginia Department of Health Maternal Mental Health Workgroup, August 2018 – Present
  • Board Member, Northern Virginia Health Education Center, 2017 – Present


PhD, Clinical Psychology, George Mason University

MA, General Psychology, New York University

BA, Psychology, Truman State University

Personal Websites:


Research Interests

  • Behavioral Health
  • Public Health
  • Program Dissemination and Implementation 
  • Substance Use
  • Anxiety


Kashdan, T.B., Blalock, D. V., Young, K. C., Machell, K. A., Monfort, S. S, McKnight, P. E., & Ferssizids, P., (2018). Personality strengths in romantic relationships: Measuring perceptions of benefits and costs and their impact on personal and relational well-being. Psychological Assessment, 30(2), 241-258. 

Folk, J. B., Blasko, B., Warden, R., Schaefer, K., Ferssizidis, P., Steuwig, J., & Tangney, J. (2016). Feasibility and acceptability of an Impact of Crime group intervention with jail inmates. Victims and Offenders, 11(3), 436-454. 

Kashdan, T. B., Adams, L., Savostyanova, N., Ferssizidis, P., McKnight, P. E., & Nezlek, J. B. (2014). Sexual healing: Daily diary investigation of the benefits of intimate and pleasurable sexual activity in socially anxious adults. Archives of Sexual Behavior, 43(7), 1417-1429.

Kashdan, T. B., Farmer, A. S., Adams, L. M., Ferssizidis, P., McKnight, P. E., & Nezlek, J. B. (2013). Distinguishing healthy adults from people with social anxiety disorder: Evidence for the value of experiential avoidance and positive emotions in everyday social interactions. Journal of Abnormal Psychology, 122(3), 645-655.

Kashdan, T. B., Ferssizidis, P., Savostyanova, N., Adams, L., & McKnight, P. E. (2013). Failure to capitalize on sharing good news with romantic partners: Exploring positivity deficits of socially anxious people with self-reports, partner-reports, and behavioral observations. Behaviour Research and Therapy, 51(10), 656-668.

Ferssizidis, P., Kashdan, T. B., Marquart, R., & Steger, M. (2012). Positive psychological processes and psychopathology: A self-regulatory perspective. In I. Boniwell and S. David (Eds.), The Oxford Handbook of Happiness. Oxford, UK: Oxford University Press.

Kashdan, T. B., Adams, L., Savostyanova, N., Ferssizidis, P., McKnight, P. E., & Nezlek, J. B. (2011). Effects of social anxiety and depressive symptoms on the frequency and quality of sexual activity: A daily process approach. Behaviour Research and Therapy, 49, 352-360.

Ferssizidis, P., Adams. L. M., Kashdan, T. B., Plummer, C., Birnbeck, M., Mishra, A., & Ciarrochi, J. (2010). The influence of commitment and motivation to social values on well-being: Age and gender considerations. Motivation and Emotion, 34, 354-362.

Kashdan, T. B., Ferssizidis, P., Collins, R. L., & Muraven, M. (2010). Emotion differentiation as resilience to excessive alcohol use: An ecological momentary assessment in underage social drinkers. Psychological Science, 21, 1341-1347. 

Cloitre, M., Stovall-McClough, C., Nooner, K., Zorbas, P, Cherry, S., Jackson, C. L., . . . Petkova, E. (2010). Treatment for PTSD related to childhood abuse: A randomized controlled trial. American Journal of Psychiatry, 167, 915-924.

Cloitre, M., Stovall-McClough, C., Zorbas, P., & Charuvastra, A. (2008). Adult attachment organization, emotion regulation and expectations of support in a clinical sample of women with childhood abuse histories. Journal of Traumatic Stress, 21(3), 282-289.


“Virginia Screening, Brief Intervention, and Referral to Treatment”, SAMHSA, Award number 1H79TI026665-01, 10/2016-10/2021, $8,300,000, PI Role effective 3/2019

“Project Evaluation for the Project LINK for Pregnant and Postpartum Women (PPW) Grant”, Virginia Department of Behavioral Health and Developmental Services, Award number 720-4659, January 2018-September 2020, $449,068.

“SBIRT Training Contract for Virginia Area Health Education Center”, Virginia Health Workforce Development Authority, 09/2018-09/2019, $27,216.

“Training to Engage, Assess, and Motivate for Substance Use Prevention (TEAMS-UP)”, SAMHSA, Award number TI025983-01, $920,000, Role: Grant contributor and Training Coordinator (PI: Lora Peppard).

“Inova Community Health Promotion Fund”, Inova Health System, Foundation Grant, June 2016-May 2017, $15,000, Role: Co-Investigator.

“The Potency of Character Strengths in Romantic Relationships”, VIA Institute on Character, September 2010-May 2012, $43,000, Role: Co-Investigator.