Thomas Guarrieri

Director of Undergraduate Studies
Assistant Research Scientist, Unconventional Weapons &
Technology (UWT) Division, START
University of Maryland

Tom Guarrieri is an Assistant Research Scientist at the National Consortium for the Study of Terrorism and Responses to Terrorism (START) and the Director of Undergraduate Studies for the University of Maryland’s Global Terrorism Studies Minor program. At UMD, Guarrieri teaches undergraduate and graduate courses on topics such as terrorist motivations and behaviors, terrorism prevention, and international security, as well as courses on quantitative methods, statistical computing, and data analysis. His current research focuses on radicalization and extremism, militant group behavior, counterterrorism strategy and policy, and CBRN (chemical, biological, radiological, and nuclear) threats. Guarrieri has multiple publications in peer-reviewed journals and has been the principal investigator for numerous funded research projects. In 2016, he served as the Program Assistant for the 57th Annual Convention of the International Studies Association (ISA). Guarrieri holds a Ph.D. in Political Science from the University of Missouri and a B.A. in Political Science and Philosophy from Rutgers University.


Summer/Winter Courses – START offers fully online summer and winter courses each year, which are open to any current degree seeking student or non-degree seeking individual.

Global Terrorism Studies Minor – This University of Maryland undergraduate program is designed to train the next generation of terrorism analysts, including students who plan to pursue graduate study related to terrorism as well as employment in the federal, state, local, non-profit, and/or private sectors.

Graduate Certificate in Terrorism Analysis – This online graduate program provides participants with advanced education on the causes, dynamics and impacts of international and domestic terrorism.


  • University of Missouri, Ph.D., Political Science, 2017
  • Rutgers University, B.A., Political Science and Philosophy, 2010
  • Gamma Alpha Gamma Dissertation Year Fellowship, Office of Graduate Studies, 2016-2017
  • Missouri Excellence in Political Science Teaching Award, Dept. of Political Science, 2017
  • EITM Certification Scholarship, Empirical Implications of Theoretical Models Institute, 2014
  • David M. Wood Excellence in Political Science Research Award, Dept. of Political Science, 2014
  • Jeffrey D. Byrne Scholarship, Dept. of Political Science, 2014
Professional Experience:
  • Director of Undergraduate Studies, Global Terrorism Studies Minor, START, 2019-present
  • Assistant Research Scientist, START, 2017-present
  • Program Assistant, International Studies Association Annual Convention, 2015-2016
  • Graduate Instructor and Teaching Assistant, University of Missouri, 2012-2017
  • Legislative and Constituent Aide, New Jersey General Assembly, 2010-2012

Researcher on START Projects