Sean Grogan — Instructor Profile

Avg 4.92/5 1698 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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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 1,698 reviews

Mar 17, 2026
Body Language for Law Enforcement
★★★★★ · Highly recommended

The presenter was very energetic, knowledgable, and easy to follow.

Mar 17, 2026
Body Language for Law Enforcement
★★★★★ · Highly recommended

Good information!

Mar 17, 2026
Body Language for Law Enforcement
★★★★★ · Highly recommended

Strongly recommend taking this course. Instructor is very informative with information and shows real life BWC footage to show what deception looks like.

Mar 17, 2026
Body Language for Law Enforcement
★★★★★ · Highly recommended

Sean was a very knowledgeable and enthusiastic instructor. The information was very useful and practical.

Mar 17, 2026
Body Language for Law Enforcement
★★★★★ · Highly recommended

The information given was very informative and beneficial for law enforcement officers.

Mar 17, 2026
Body Language for Law Enforcement
★★★★★ · Highly recommended

I think the presentation was excellent and straight to the point. It offer several behavioral points that will help with my investigations and interrogations.

Mar 17, 2026
Body Language for Law Enforcement
★★★★★ · Highly recommended

Lot of great information

Mar 17, 2026
Body Language for Law Enforcement
★★★★★ · Highly recommended

Instructor was great. The information and presentation was very well put together.

Mar 17, 2026
Body Language for Law Enforcement
★★★★★ · Highly recommended

Great class and even better instructor! Kept the room engaged and explained things well.

Mar 17, 2026
Body Language for Law Enforcement
★★★★★ · Highly recommended

Very informational.

Mar 17, 2026
Body Language for Law Enforcement
★★★★★ · Highly recommended

Good course

Mar 17, 2026
Body Language for Law Enforcement
★★★★★ · Highly recommended

Great information for dealing with all sort of different emotions that we deal with on a day to day basis. Very informative.