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Police Department

Dennis Peterson


Deputy Chief


Dennis Peterson retired with 32 years of service from the Tewksbury Police Department in Massachusetts, where he served as chief of detectives, overseeing all criminal investigations from homicide to larceny.

Peterson was a member of the Northeastern Massachusetts Law Enforcement Council’s regional tactical unit and special operations unit. He also worked with the Secret Service’s covert counterterrorism task force during the Democratic National Convention in Boston.

Peterson is a former member of the Tewksbury School Committee, has served since 1995 as a basketball official through the International Association of Approved Basketball Officials  and is on the board of directors of the Tewksbury Boys Basketball League. 

He holds a license to carry a firearm in Massachusetts.