Dr. Sean Grier

Dr. Sean Grier has an extensive professional background, spanning more than three decades of professional law enforcement and supervisory experience. Dr. Grier 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. metropolitan area. He 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. Dr. Grier subsequently accepted a position with the Federal Air Marshal Service and retired as the Assistant Federal Security Director of Law Enforcement at Chicago Midway International Airport.

Dr. Grier holds a PhD in Criminal Justice from Nova Southeastern University as well as an M.S. in Criminal Justice from the University of Cincinnati. Additionally, He earned both an MDiv and MA from Liberty Theological Seminary and a BS in Religion from Liberty University. His research interests include biosocial criminology, gun policy issues, and faith-based correctional programming.

Since 2010, Dr. Grier has been dedicated to teaching criminal justice courses at several universities. Throughout his teaching career, he has designed multiple criminal justice courses and helped to establish a criminal justice program at a Christian university. Dr. Grier has also mentored numerous doctoral students in the field of Criminal Justice.

Dr. Grier has been married to his wife since 1997, and they have five children together. He has a strong passion for Theology and Apologetics and gives presentations on the importance of understanding Scripture.