Sean Grogan — Instructor Profile

Avg 4.92/5 1736 reviews 100% recommend

About Sean Grogan

Sean Grogan is a former special investigations detective that spent his career with the Woodbridge, N.J. Police Department. In addition to spending the majority of his career in the narcotics unit as a detective, he was also a K-9 handler and gang investigator. He has conducted countless interviews and has assisted numerous agencies with various types of investigations. As a detective he utilized many confidential informants and executed a variety of search warrants resulting in numerous arrests and narcotics and currency seizures. Sean worked as a narcotics scent detection K-9 team with his K-9 Blade. K-9 Blade performed hundreds of sniffs for various local, state, and federal agencies during K-9 Blade’s years of service resulting in numerous seizures and apprehensions. During his career in law enforcement, Sean received numerous letters of recognition and awards for his service as a narcotics detective and a K-9 handler. He has traveled to Europe for advanced training in facial expressions and other non-verbal communication. Sean has also been certified as a trainer for the Body Language Institute in Alexandria, Virginia. Recognizing Sean’s skill set, he was recruited by and worked for Joe Navarro’s Body Language Academy as a mentor for the Body Language Expert Program. The role of mentor has allowed him to spread his knowledge to people around the world including 4 different continents. He is also a licensed and certified SCAnS (Sixth Channel Analysis System) trainer. Sean has utilized his mastery of non-verbal communication and other techniques during untold encounters with people as a law enforcement officer to conduct countless interviews with people in both formal and informal settings. Traveling throughout the United States since 2019, Sean provides training to law enforcement on non-verbal communication, giving detectives, officers, investigators, and agents the advanced skills that can be used in a variety of settings. Sean’s classes include ‘Unmasking Hidden Facial Expressions’, ‘Body Language for Law Enforcement’, ‘Behavioral Analysis: The Six Channel System’, & ‘Recognizing Pre-Attack Indicators’. He has received a very large amount of positive feedback from many that have taken his courses. Sean has a degree in Criminal Justice from Thomas Edison State University and is a Marine Corps OIFIII Veteran. His book, Beware the Body, gives insight into aggression and aggression detection utilizing body language.

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About this profile

Profile for Sean Grogan. View upcoming classes, student reviews, and specialties.

How are instructor reviews calculated?
Average of verified student ratings for classes taught by Sean Grogan.
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Recent Reviews

Showing 12 of 1,736 reviews

Jan 21, 2026
Behavioral Analysis: Six Channel System
★★★★★ · Highly recommended

Good info and kept interest.

Jan 21, 2026
Behavioral Analysis: Six Channel System
★★★★★ · Highly recommended

A great training that every officer should have a basic understanding in.

Jan 21, 2026
Behavioral Analysis: Six Channel System
★★★★☆ · Highly recommended

Great class. Very qualified instructor.

Jan 21, 2026
Behavioral Analysis: Six Channel System
★★★★★ · Highly recommended

Class was very informative and showed me a lot of things I’ve been missing during interviews / traffic stops when trying to evaluate someone’s behavior

Jan 21, 2026
Behavioral Analysis: Six Channel System
★★★★★ · Highly recommended

Great course. Would recommend to others. Most enjoyed the elicitation / interview portion.

Jan 21, 2026
Behavioral Analysis: Six Channel System
★★★★★ · Highly recommended

The information learned in this class helped bridge the gap from interdiction methods and helped narrow down interview styles. I have taken interview and interrogation courses before but this course went more in depth.

Jan 21, 2026
Behavioral Analysis: Six Channel System
★★★★★ · Highly recommended

Instructor is very knowledgeable and makes the experience enjoyable.

Jan 21, 2026
Behavioral Analysis: Six Channel System
★★★★★ · Highly recommended

A course applicable to law enforcement at any level which would aid in the course of daily interactions

Jan 21, 2026
Behavioral Analysis: Six Channel System
★★★★★ · Highly recommended

Great content, highly recommend taking his courses.

Jan 21, 2026
Behavioral Analysis: Six Channel System
★★★★★ · Highly recommended

Phenomenal instructor. High energy and very knowledgeable. Course material is interesting and will be applied in the field on a regular basis.

Jan 21, 2026
Behavioral Analysis: Six Channel System
★★★★★ · Highly recommended

Sean was very knowledgeable on this topic and seemed very excited to teach it.

Jan 21, 2026
Interactional Style in Action
★★★★★ · Highly recommended

Highly recommend any and all training by Sean. Class material is kept simple and thoroughly explained and is immediately applicable on the street.