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
Recognizing Pre-Attack Indicators
★★★★★ · Highly recommended

Every educational, but the instructor made it easy to keep up with the material .

Jan 21, 2026
Body Language for Law Enforcement
★★★★★ · Highly recommended

Sean was an awesome instructor. Kept everyone’s attention, made us laugh, and presented the material in such a way that made me understand the information. Wish I had this class earlier in my career.

Jan 21, 2026
Body Language for Law Enforcement
★★★★★ · Highly recommended

This training was excellent! I was able to learn a variety of non verbal red flags that can help me on the street when interacting to with people.

Jan 21, 2026
Recognizing Pre-Attack Indicators
★★★★☆ · Highly recommended

It was a good course my department sent me to

Jan 21, 2026
Body Language for Law Enforcement
★★★★★ · Highly recommended

The presentation was very knowledgeable and Sean did a great job of relaying the information.

Jan 21, 2026
Body Language for Law Enforcement
★★★★☆ · Highly recommended

Very informative and relevant for patrol.

Jan 21, 2026
Body Language for Law Enforcement
★★★★★ · Highly recommended

Great course with every piece of knowledge that can be applicable in the field. Instructor brings a lot of first hand knowledge

Jan 21, 2026
Body Language for Law Enforcement
★★★★★ · Highly recommended

Course is well designed with real applicable information. Instructor kept the classes attention with current stories in the media. Highly recommend

Jan 21, 2026
Body Language for Law Enforcement
★★★★★ · Highly recommended

Great class with a knowledgeable instructor. Highly recommend for any law enforcement personnel.

Jan 21, 2026
Body Language for Law Enforcement
★★★★★ · Highly recommended

Very good instructor. I would recommend anyone to take it.

Jan 21, 2026
Body Language for Law Enforcement
★★★★★ · Highly recommended

This class was very productive

Jan 21, 2026
Body Language for Law Enforcement
★★★★★ · Highly recommended

Instructor was very knowledgeable in a lot of the topics. I was able to have a better idea of what some indicators were that I was unsure of before.