Sean Grogan — Instructor Profile

Avg 4.91/5 1581 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 1,581 reviews

May 7, 2026
Student Review
★★★★★ · Highly recommended

Very engaging and informative.

May 7, 2026
Student Review
★★★★★ · Highly recommended

Informative class with a lot of information. Instructor is very knowledgeable, engaging, and keeps the class going.

May 7, 2026
Student Review
★★★★★ · Highly recommended

Very well broken down. Explains each topic thoroughly. Funny attitude which keeps your attention. Very relatable

May 7, 2026
Student Review
★★★★★ · Highly recommended

Will be helpful for my in person interviews as a detective.

May 7, 2026
Student Review
★★★★★ · Highly recommended

I learned a lot from this class and I thought the material was presented well and easy to follow.

May 7, 2026
Student Review
★★★★★ · Highly recommended

Excellent

May 7, 2026
Student Review
★★★★★ · Highly recommended

Sean’s very knowledgeable about the subject and realistic in the training.

May 7, 2026
Student Review
★★★★★ · Highly recommended

Very informative

May 7, 2026
Student Review
★★★★★ · Highly recommended

This is a very informative class. The instructor, whom I’ve had before, did a great job keeping the class engaged as always.

May 7, 2026
Student Review
★★★★★ · Highly recommended

10/10

Apr 30, 2026
Student Review
★★★★★ · Highly recommended

Great class, instructor has a vast knowledge on the topic and never needed to look at the PowerPoint to reference material. Instructor was helpful in answering any questions and explained each topic in depth.

Apr 30, 2026
Student Review
★★★★★ · Highly recommended

Exceptional instructor who delivered a powerful and practical law enforcement class on pre-attack indicators. Their ability to break down complex behaviors into clear, real-world applications made the training incredibly valuable. They emp…