Sean Grier, Ph.D. (ABD)  Supervisory Federal Air Marshal

Sean Grier, Ph.D. (ABD)

Supervisory Federal Air Marshal

  • Ph.D. (ABD), Criminal Justice
  • M.S., Criminal Justice
  • Masters of Divinity
  • B.S., Religion

Mr. Grier has an extensive background, including over twenty-three years of professional law enforcement experience. He began his career on active duty with the U.S. Army Military Police and later transitioned to a position as a uniformed Police Officer in the Washington, D.C. area. Mr. Grier then accepted a position as a Special Agent with the Defense Security Service, headquartered out of the Pentagon, where he witnessed the horrific attacks on 9/11. Mr. Grier is currently employed as a Supervisory Federal Air Marshal.

Mr. Grier earned his M.S. in Criminal Justice from the University of Cincinnati, as well as a M.Div. and M.A. from Liberty Theological Seminary; additionally, Mr. Grier earned his B.S. in Religion from Liberty University. Mr. Grier is also currently pursuing a Ph.D. in Criminal Justice from Nova Southeastern University, where he will soon be entering the dissertation phase of his degree. Mr. Grier’s research interests include biosocial criminology and faith-based correctional programming.

Professional Experience

  • Federal Air Marshal Service (2002-present)
  • Defense Security Service (2000-2002)
  • Pentagon Force Protection Agency (1998-2000)
  • United States Army, Military Police Corps (1993-1998)

Education & Professional Certifications

  • Ph.D. (ABD), Criminal Justice, Nova Southeastern University, 2016
  • M.S., Criminal Justice, University of Cincinnati, 2012
  • M.Div., Liberty Theological Seminary, 2010
  • B.S., Religion, Liberty University, 2007

Scholarly Activity

  • Journal of Dispensational Theology
  • Ph.D. Dissertation (Gun Free Zones: A Geographical Opinion Study on Attitudes Towards Gun Free Zones and the Safety Impact on Residents)