Sean Grier

Contributing Faculty
College of Psychology and Community Services
Ph.D. Criminal Justice

Dr. Sean Grier is a contributing faculty member for Walden University in the School of Criminal Justice with the College of Social and Behavioral Sciences. Dr. Grier has been teaching collegiate level courses in a variety of formats since 2010. Dr. Grier earned his PhD in Criminal Justice from Nova Southeastern University. Additionally, Dr. Grier earned his MS in Criminal Justice from the University of Cincinnati, as well as a MDiv and MA from Liberty Theological Seminary. Dr. Grier completed his undergraduate studies in Religion at Liberty University. Dr. Grier’s research interests include biosocial criminology, gun related topics and policy issues, terrorism, homeland security, and faith-based correctional programming. Dr. Grier has an extensive professional background, including over twenty-five years of professional law enforcement 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. area. Dr. 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. Dr. Grier is currently employed as a Supervisory Federal Law Enforcement Officer with the Department of Homeland Security.


PhD, Nova Southeastern University

MS, University of Cincinnati

MA, Liberty Theological Seminary

BS, Liberty University

Awards / Honors

Award of Faculty Excellence, Henley-Putnam University, 2017