Two Bergen County Plaza
Hackensack, NJ 07601
Mon-Fri: (201) 646-2300
After Hours: (201)-642-5962

Meet The Prosecutor

Acting Bergen County Prosecutor Dennis Calo
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               On January 17, 2018, Acting Prosecutor Dennis Calo was sworn in as the chief law enforcement officer for the County of Bergen.
               Acting Prosecutor Calo began his career at the Bergen County Prosecutor’s Office (“BCPO”) in 1977.  He quickly assumed a leadership role, becoming Chief of the Grand Jury Unit in 1978.  Soon thereafter, he established the Homicide Squad, and served as its Chief for four years.  He tried capital and other major homicide cases, including the successful prosecution of the notorious serial killer Richard Cottingham.  

               In 1983, Acting Prosecutor Calo was appointed First Assistant Prosecutor, becoming the chief administrative officer of the BCPO.  In that capacity, he oversaw the prosecutorial staff and continued to direct the Homicide Squad and other specialized squads and investigations, including political corruption, fraud, arson, sex crimes, child abuse, and narcotics.  During his tenure at the BCPO, Acting Prosecutor Calo became a recognized expert in applying forensic scientific techniques in investigations and the courtroom.

               In 1990, Acting Prosecutor Calo left the Prosecutor’s office for private practice.  For the next 27 years, he practiced criminal and civil law, cultivating an expertise in employment law.  A renowned trial attorney, Acting Prosecutor Calo lectured widely on criminal and civil law topics.

               Acting Prosecutor Calo returned to the BCPO in May 2017 as the First Assistant Prosecutor.  He is a graduate of Columbia University and New York University School of Law.