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.

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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
Elicitation Methods Live Webinar
★★★★★ · Highly recommended

This is always a good refresh

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

Very useful tools for interviewing. First time hearing about this. An impressive program.

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

Sean did a great job presenting this information. Kept everyone engaged.

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

Great training! Very informative and learn many new things that can be applied to my work .

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

Very good course. Could easily be 3-4 days

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

Very informational and realistic. Instructor is very knowledgeable on subject topic.

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

Great class 2nd one I’ve taken and still learned stuff

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

Amazing information given in the course. Having the ability to look back on prior interactions I have had at work and being able to pick up on those behaviors is super helpful!

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

Sean provided great information regarding behavior of individuals to recognize deception. He did a great job keeping the class engaged.

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

The instructor is very informative and keeps the information entertaining. I never felt bored during any point in the class.

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

Videos and examples provided were great. Instructor was very informative.

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

Class was fantastic. Sean goes into detail on behavior I see a lot but don’t think twice about that will be huge indicators to me going forward.