Command Staff

Lt Waterman

Lt. Arthur Waterman

Lt. Arthur Waterman joined the Medford Township Police on June 6, 1998 and was assigned to the Patrol Division. In January 2002, Lt. Waterman was appointed a Detective and was assigned to the Criminal Investigation Bureau. In January 2003, Lt. Waterman was assigned as a Corporal, and served in the Patrol Division as a secondary supervisor of a patrol squad. In August 2006, Lt. Waterman was promoted to Sergeant and was assigned to the direct supervision of day to day operations of a patrol squad; he also managed the Firearms Unit as the Supervising Firearms Instructor and was appointed Assistant Team Leader of the Special Response Team. In March 2009, he was promoted to the rank of Lieutenant and assigned to command the day to day operations of the Field Operations Bureau which consists of the Patrol,  Traffic, Canine, and Firearms Units. In August 2015, Lt. Waterman assumed command of the Criminal Investigations Bureau which consists of Detectives and School Resource Officers as well as the Office of Professional Responsibility and the Administrative Bureau.

Throughout his career, Lt. Waterman has participated in several specialized units. He was a veteran member of the Firearms Unit, Medford Township Special Response Team, and Honor Guard. Lt. Waterman has received several Awards and Commendations throughout his career. Lt. Waterman currently possesses a Bachelor of Arts Degree in Criminal Justice from Thomas A. Edison State College and an Associate's Degree in Business Administration from Gloucester County College. He is a 2015 graduate of the FBI National Academy’s 262nd session and a 2010 graduate of the New Jersey State Association of Chiefs of Police Command and Leadership program. 


Lt. William Dunleavy

Lt. William Dunleavy

Lt. William Dunleavy is a lifelong resident of Medford Township and graduated from Lenape High School in 1991, he then went on to attend college at West Chester University and graduated in 1995 with a Bachelors degree in Criminal Justice.

Lt. William Dunleavy joined the Medford Township Police Department on August 12, 1996 and served as a Patrolman until January 2001 when he was appointed to the position of Corporal in the Patrol Bureau.  Lt. Dunleavy served the Patrol Bureau in the capacity of Corporal until September of 2004 when he was promoted to the rank of Sergeant.  From September 2004 until August 2015 Lt. Dunleavy served as a Sergeant in the Patrol Bureau, Administrative Bureau, and in the Criminal Investigative Bureau, the majority of this time he served in the Patrol Bureau as a street supervisor.  Lt. Dunleavy was promoted to the rank of Lieutenant in August of 2015 and serves the department as the Field Operations Bureau Commander overseeing day to day operations of Patrol, Traffic and Canine.

During his career, Lt. Dunleavy has participated in several specialized units. He was both an operator and team leader with the Medford Township Special Response Team; he was a member of the Burlington County Joint Tactical Team and an Operator, Platoon Leader, and Training Coordinator for the Burlington County Southern Regional Special Response Team.  Lt. Dunleavy is a Field Training Officer and has served as the Unit supervisor since 2000.  Lt. Dunleavy also serves as the Departmental Training Officer and Accreditation Manager. Lt. Dunleavy is a deputy coordinator for the Medford Township’s Office of Emergency Management, and a charter member of the Departmental Honor Guard.


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Lt. Jason A. Deroian

Lt. Jason A. Deroian graduated from Dumont High School and attended Rowan University before attending the Gloucester County Police Academy Alternate Route Basic Class #15 in December 1998.  He briefly worked as a Class II Officer in Glassboro and a full time officer with the Gibbsboro Police Department before joining the Medford Township Police Department on August 21, 2001. Lt. Deroian was one of five Medford Twp. Officers who responded to Ground Zero on 9-11.

Lt. Deroian was appointed to the Criminal Investigative Bureau in 2002 where he remained until returning to Field Operations as a Corporal in 2009. Deroian has been a certified Emergency Medical Technician since 1992 and was a Police EMT, a member of the Bicycle Unit and a tactical operator with the Special Response Team and the Burlington County Southern Regional Special Response Team.  He was reassigned to the Criminal Investigative Bureau in 2010 as the Unit Supervisor, overseeing Detectives and School Resource Officers.  In 2015, Deroian was promoted to the rank of Sergeant and remained as the officer in charge of Detectives and the School Resource Officers. 

Lt. Deroian has been an active member of the Community Relations Unit, a Unit formed in 2015 to foster stronger partnerships with the community.  He has been involved in Operation Santa, Coffee with a Cop, DARE (now the S.T.R.O.N.G. program), the Junior Police Academy, Special Olympics Polar Bear Plunge / Law Enforcement Torch Run, the South Jersey Law Enforcement Outdoor Challenge and the Police Unity Tour

Deroian was promoted to the rank of Lieutenant in May 2018 and is the Commander of the Criminal Investigations Bureau, School Resource Officer Unit and Community Relations Unit.  He is a certified Police Commission Physical Training Instructor with the Camden County Police Academy, an A.L.I.C.E and Active Shooter Instructor along with over 40 specialized training courses in various aspects of police work.