Tips for Effective Emergency Response Planning

Emergencies can strike at any moment, leaving organizations vulnerable and unprepared. Ensuring that your team knows exactly what to do in such critical situations is crucial for minimizing risks and protecting lives. Get practical tips for effective emergency response planning to enhance your organization’s preparedness and safety. By incorporating comprehensive strategies and actionable steps, this […]

Proper On-Site Security Requires Hiring Professionals

Security is a crucial concern for businesses, where even minor lapses can lead to significant consequences. Proper on-site security requires hiring professionals to ensure comprehensive protection and mitigate risks effectively for your business. With the growing complexities of threats, relying on professional security services is not just an option but a necessity. This article delves […]

From Stadiums to Streets: Executive Protection in Sports

From Stadiums to Streets: Executive Protection in Sports

High-profile sports events attract large crowds and significant media attention, making comprehensive insights into executive protection in sports essential for ensuring safety and order. From stadium security measures to personal safety on the streets, understanding the critical role of executive protection services helps mitigate risks faced by athletes, executives, and other high-profile individuals. As security […]

The Role of Technology in Modern Private Investigations

The role of technology in modern private investigations enhances efficiency, accuracy, and overall effectiveness in gathering data. From digital surveillance tools to advanced data analysis software, technology provides private investigators with unprecedented capabilities. Understanding these innovations is essential for clients seeking investigative services, as they ensure more precise and reliable results. As we delve into […]

Essential De-escalation and Active Shooter Response Techniques

Master essential de-escalation and active shooter response techniques to ensure safety in high-stress situations. Understanding how to manage and respond effectively to crises is critical for safeguarding lives and maintaining security. Whether you are a security professional or a concerned individual, being prepared for such incidents can make all the difference. Learning and practicing these […]

Wear & Carry Training: Equip Security Guards with the Right Skills

In today’s ever-changing world, security guards play an indispensable role in maintaining safety and order across various sectors. These individuals often find themselves in high-pressure situations where quick thinking and adept action are crucial. To equip security guards with the right skills and knowledge, wear and carry training stands out as a vital component. This […]

Securing the Perimeter: Physical Barriers & Access Control

In an age where safety concerns are paramount, schools are continuously reevaluating their security protocols. Implementing physical barriers and access control’ is vital for securing the perimeter and ensuring safety in educational facilities. As we step into 2024, let’s explore the evolving landscape of securing school perimeters through effective strategies. The Importance of Secure Perimeters […]

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.

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.

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.

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.

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.

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.