Dennis Leach
Tyngsboro
Summary
Experienced law enforcement professional with a strong background in leadership, crisis management, and community relations. Utilizes strategic thinking to enhance public safety and ensure compliance with policies. Demonstrates a proven ability to effectively lead high-stakes situations and maintain adherence to legal and regulatory standards.
Overview
11
11
years of professional experience
1
1
Certification
Work History
Sergeant
Tyngsborough Police Department
04.2022 - Current
- Coordinated personnel each shift to address complaints promptly and enforce policies.
- Encouraged adherence to up-to-date safety protocols.
- Executed duties including responding to service calls; investigated crimes and enforced vehicular regulations.
- Promoted safety by interacting with diverse populations in Tyngsborough through community policing efforts.
Police Patrolman
Tyngsborough Police Department
03.2016 - 04.2022
- Secured designated zones to prevent and identify criminal actions.
- Conducted traffic stops, issued citations, and enforced traffic laws to maintain safety on all roadways.
- Conducted investigations into suspicious activities.
- Delivered aid in conflicts and administered necessary first-aid.
- Produced accurate and thorough investigative reports to facilitate accurate court representations.
- Worked alongside various law enforcement agencies and community groups to tackle public safety issues.
Reserve Police Officer
Tyngsborough Police Department
01.2014 - 03.2016
- Aided department initiatives enhancing community safety through interactive police measures.
- Enhanced public safety by conducting regular patrols and proactively addressing potential issues.
- Provided support during major events as part of a coordinated law enforcement team managing crowds, directing traffic, and ensuring public safety.
Correctional Officer/Deputy Sheriff Officer
Middlesex Sheriff’s Office
11.2013 - 03.2016
- Oversaw the supervision and management of inmate custody within a 126-inmate unit.
- Performed detailed inspections of prisoners and cells to restrict prohibited items.
- Handled medical emergencies with efficiency and transported inmates to required facilities.
- Created comprehensive reports documenting incidents.
- Responded to emergency situations and de-escalated hostile confrontations.
Education
Master of Science - Criminal Justice
California Coast University
Santa Ana, California12.2025
Bachelor of Science - Criminal Justice
California Coast University
Santa Ana, California04.2024
Associate of Science - Criminal Justice
Northern Essex Community College
Haverhill, MA05.2023
Skills
- Integrity and honesty
- Conflict de-escalation
- Report writing
- Community engagement
Accomplishments
- Letter of Commendation: Tyngsborough Police Department (Life Saving) - 2023
- Medal of Valor: Massachusetts Police Association (MPA) - 2017
- Medal of Honor: Tyngsborough Police Department - 2017
- Certificate of Appreciation: Chelmsford Police Department - 2017
- Outstanding Officer in Physical Fitness: NECC Police Academy - 2016
Certification
- Leadership Development - 2024
- The Servant Officer: The Mind of a Warrior and Heart of a Guardian - 2024
- SAFLEO Leadership and Supervision Virtual Training - 2024
- Assisting Individuals in Crisis & Group Crisis Intervention - 2024
- Building Your Own Psychological Armor - 2023
- Stress Resiliency - 2023
- Use of Force De-escalation Tactics & Control for Supervisors - 2022
- Front-Line Leadership 4.5 Day Training - 2022
- IACP First Line Leadership Training - 2022
Specialized Training
Tyngsborough Police Department (2014-Present)
· GRIN Certified
· Peer Support Coordinator
· Breathalyzer and PBT Officer in Charge
· Field Training Officer
Northeastern Massachusetts Law Enforcement Council – NEMLEC (2018-2021)
· Member of the Regional Response Team (RRT) and Mountain Bike Unit
· Specialized in crowd control, riot training, and search and rescue operations.
Timeline
Sergeant
Tyngsborough Police Department
04.2022 - Current
Police Patrolman
Tyngsborough Police Department
03.2016 - 04.2022
Reserve Police Officer
Tyngsborough Police Department
01.2014 - 03.2016
Correctional Officer/Deputy Sheriff Officer
Middlesex Sheriff’s Office
11.2013 - 03.2016
Master of Science - Criminal Justice
California Coast University
Bachelor of Science - Criminal Justice
California Coast University
Associate of Science - Criminal Justice
Northern Essex Community College
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