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Tag: School Safety

Creating a Safe School Culture Starts With Our Community

Creating a Safe School Culture Starts With Our Community

Creating a safe school culture starts with our community fostering trust, open communication, and active involvement for lasting security. When communities support school safety together, they establish an environment where students thrive, feel secure, and grow into confident individuals. Today’s schools face many challenges in maintaining student safety—from physical threats to mental health concerns—and they […]

What’s the Role of Maryland School Resource Officers

What's the Role of Maryland School Resource Officers

Ensuring the safety and security of schools is a critical priority, and Maryland School Resource Officers play an indispensable role in this mission. The article details what’s the role of Maryland School Resource Officers in ensuring school safety and fostering positive relationships. By understanding their responsibilities and contributions, we can better appreciate how these dedicated […]

Defender One Security is a distinguished provider of comprehensive security solutions throughout the Maryland region.
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Copyright © 2023 Defender One. All rights reserved.
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Defender One is a distinguished provider of comprehensive security solutions throughout the State of Maryland.

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Copyright © 2024 Defender One. All rights reserved. Site design by Silesky Marketing.

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Walter Leslie Jr.

Operations Manager

Walter is an observant and vigilant, safety-driven security professional with 14+ years of leadership experience across commercial, residential, and corporate security sectors. Walter offers extensive expertise in developing and executing comprehensive physical security procedures and protocols. Specializing in risk assessments, he has successfully implemented mitigation strategies for clients, reducing potential security threats.

Outside of work, he is family-oriented and enjoys traveling with his wife Jackie, and their dog Aries. He is an avid sports enthusiast and loves the Washington Commanders and Washington Nationals.

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Cynthia Cox

Human Resources Manager

With 21 years of management experience across various industries, including staffing, transportation, small business ownership, accounting, and operations, Cynthia brings a wealth of knowledge and a robust skill set to Defender One. Her diversified background has equipped her with a keen understanding of multiple business domains, making her an invaluable asset to the team.

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Matthew Goodman

Assistant Director of Operations
Matt currently serves as Defender One’s Assistant Director of Operations. Matt is responsible for the day-to-day operations of Defender One and works closely with the Director of Operations & Training to implement goals and objectives for the company. As a nationally certified School Resource Officer and Force Science Analyst, Matt brings an interpersonal and holistic approach to the industry. He holds a Bachelor’s Degree in Criminal Justice from York College. Outside of work, Matt is an avid outdoorsmen, spending time perfecting his landscaping skills. Matt also enjoys quality time with his wife Ashley, and two cats, Ollie and Leo, as well as watching the Baltimore Orioles and Ravens.
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Jennifer Krieger

Director of Human Resources
Jen currently serves as Defender One’s Director of Human Resources, managing our HR and back end finance teams. Jen has 30 years of experience in healthcare benefits administration, retirement benefits, financial planning and human resources. Jen holds a Bachelor’s Degree in Accounting from the University of Maryland, College Park and a Master’s Degree in Finance from Loyola University. Jen prioritizes an employee focused and driven company, with an emphasis on client and employee satisfaction. Outside of work, Jen enjoys running, watching her daughter play Division 1 Lacrosse, and playing with her grand-dogs.
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Jared Krieger

Director of Operations & Training
Jared currently serves as the Director of Operations & Training at Defender One. In this role, Jared is responsible for the overall operations and training of Defender One and its staff. Jared currently holds a Bachelor’s Degree in Homeland Security & Counterterrorism. Jared is board certified in Security Management and Board certified as a Physical Security Processional by the American Society of Industrial Security. Jared is also an accredited Law Enforcement instructor in the following disciplines: Firearms, OC Spray, Expandable Baton, Handcuff, Taser, Defensive Tactics, and Force Science Analytics. Outside of work, Jared enjoys traveling and spending time with his girlfriend and three dogs.
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Jon Krieger

Owner
Jon is the President and Founder of Defender One. Jon started Defender One in 2009, with the goal of bridging the gap between conventional security guards and law enforcement. Jon had a long and distinguished career in a large metropolitan police department for over 30 years, holding supervisory positions in several units, including patrol, internal affairs, traffic and community outreach. Jon has a Bachelor’s Degree in Criminal Justice from the University of Maryland, College Park. Outside of work, Jon spends his time spoiling his grand-dogs Fred and Barney, supporting the Ravens and Orioles, and watching his daughter play Division 1 Lacrosse.
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