OneFace is owned and operated by Sean Grogan who is the sole trainer for the company. He is on his 10th year as a law enforcement officer and his 7th year as a narcotics detective in the state of New Jersey. He is also a canine handler and certified gang professional. Sean Grogan had been studying facial expressions before traveling to Europe for extensive training. After completing training in Europe, Sean Grogan earned his license through PEI. He is the first and currently the only Law Enforcement Officer in the United States to complete the training to become licensed through PEI.
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