Meet the Team
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Park Dietz, M.D., M.P.H., Ph.D.
PRESIDENT / FOUNDER
Dr. Dietz is the founder and head of both the forensic consulting firm of Park Dietz & Associates and the first company devoted to workplace misconduct mitigation, Threat Assessment Group, both of which are headquartered in Newport Beach, California. In 2009, Dr. Dietz was named one of the “Top 25 Most Influential People in the Security Industry” by Security magazine. In 2010, he was awarded the “Seymour Pollack Award for Distinguished Contributions to Education in Forensic Psychiatry” by the American Academy of Psychiatry and the Law. In 2014, Biography.com listed Dr. Dietz among the 10 most famous psychiatrists in history.
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Aaron Cohen
VICE PRESIDENT, BUSINESS DEVELOPMENT
Aaron Cohen brings over 10 years of experience at TAG, where he has played a key role in advancing workplace violence prevention strategies. With a background in media and marketing in NYC and a Biology & Psychology degree from NYU, Aaron combines strategic expertise and analytical precision to help organizations build safer, more productive environments.
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Cathy Chambers
DIRECTOR OF OPERATIONS
With over 4 years of dedicated service at TAG, Cathy excels in fostering strong relationships with clients, ensuring their needs are met with the highest level of care and professionalism. Her commitment to client satisfaction helps organizations seamlessly implement safety solutions tailored to their unique challenges.

Our Experts
We are an interdisciplinary team. Our expertise with threats, dangerous behavior, and violence is comprehensive and unparalleled.
Drawn from the top ranks of forensic psychiatry, forensic psychology, and the FBI's Behavioral Science Unit, TAG experts have guided the management of thousands of high-risk cases. Courtroom experience in thousands of trials significantly informs our approach to training and case management.
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Stephen Carter, M.A., M.B.A.
FBI, Ret.
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Leanne Whitwell
Former Special Agent
US Capitol Police -
Ronald P. Walker, M.A.
FBI, Ret.
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Jana Monroe
FBI, Ret.
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Rob Ambrosini, Psy.D.
FBI, ret.
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Lauren Ambrozic, M.A.
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Nicholas Scurich, Ph.D.
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Erin Nelson, Psy.D.
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Blake McConnell
FBI, ret.
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Bill Irwin
FBI, Ret.
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April Gould, M.A., M.P.H. PhD
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Daniel A. Martell, Ph.D.
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Gregg McCrary, M.A.
FBI, Ret.
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Joel Dvoskin, Ph.D.
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Ray S. Mey
FBI, Ret.
— Kevin Corliss, Corporate Employment Counsel, Corning Inc.
“Put this at the top of your
training list.”
— Tom Donnelly, Manager, Investigations, TRW
“Worth the cost; best training available on this subject.”
TAG Forensic Evaluators
Throughout the US and Canada, TAG's extended network of leading forensic psychiatrists and psychologists evaluates employees for violence risk, fitness for duty, disability, or treatment options when indicated.
