Marcus VanSickle

Marcus VanSickle

Adjunct Faculty

Clinical Psychology: Military Suicide Prevention, Measure Development, Forensic Assessment Instruments

Dr. Marcus VanSickle presently serves as adjunct faculty for the clinical skills course for GMU Clinical Psychology Graduate Students. He earned his PhD at the Uniformed Services University of the Health Sciences (USUHS) and Postdoctoral MS in Clinical Psychopharmacology through Fairleigh Dickinson University.  Dr. VanSickle remains actively engaged in military suicide prevention research, is licensed as both a clinical and medical (prescribing) psychologist, and is board-certified in behavioral and cognitive psychology. Dr. VanSickle entered military service through enlisting in the Marines in 2001 and transferred to Navy Psychology in 2011 - where he remains an active duty psychologist.  Dr. VanSickle has served in a combination of line, hospital, deployed, and embedded mental health settings.  Awards include the Joint Service Commendation Medal, Navy and Marine Corps Commendation Medal, Joint Service Achievement Medal, Iraqi Campaign Medal, Surface Warfare (SWMDO) qualification and selection as the Navy Junior Psychologist of the Year (2018).  

Selected Publications

VanSickle, M., Arthur, E., &  LaCroix, J. (in press). Military stress reactions. In C. H. Kennedy & E. A. Zilmer, (Eds.), Military Psychology (3rd ed). New York: Guilford.

VanSickle, M., Tucker, J., Daruwala, S., & Ghahramanlou-Holloway, M. (2016). Development and psychometric evaluation of the Military Suicide Attitudes Questionnaire (MSAQ). Journal of Affective Disorders, 203, 158-165.

VanSickle, M. Holloway, M., Zoellner, L., Tussenbrock, B., & Neely, L. (2015).  Tactical level leadership and military suicide  prevention.  North Atlantic Treaty Organization (NATO), Research and Technology Organisation (RTO), Research Task Group (RTG) on Military Suicide, 218. Paris, France 

VanSickle, M., Werbel, A., Perera, K., Pak, K., DeYoung, K., & Ghahramanlou-Holloway, M. (2016). Principal component analysis of the suicide opinion questionnaire in United States military sample of Marine Corps non-commisioned officers. Military Medicine(7), 672-679.

VanSickle, M., Werbel, A., Perera, K., Pak, K., DeYoung, K., & Ghahramanlou-Holloway, M. (2016). An empirical investigation of the principal component structure of the perceived barriers to care measure in a United States military sample of Marine Corps non-commissioned officers. Psychological Assessment. Advance online publication.

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