Assistant Deputy Superintendent

Assistant Deputy Superintendent Gannon began his career with the Norfolk Sheriff’s Office as a Corrections Officer in 1992. 

In his role as Corrections Officer, he supervised the NSO’s pre-release center, the Dedham Alternative Center (DAC). 

During various audits, it was consistently noted that the DAC was run in an exemplary manner. 

He also was instrumental in training junior officers, settling grievances, and working to ensure the safety of offenders and staff alike.

In 2015, he was appointed Assistant Deputy Superintendent II of Operations.  In his role as an ADS II, Deputy Gannon supervises over 200 uniformed staff member.  ADS Gannon serves as a key person for the NSO with the audit process, facility inspections, and oversees several areas of the facility.

Deputy Gannon has owned his own business for over 31 years and is an asset to the Sheriff’s Management Team.