Protecting what matters since 1976
Custom security installations throughout the Mid-Atlantic region since 1976
False Alarm? Call 1-800-356-2222
About Us
M Sauer Security Company begun in the security business back in the 50’s in Memphis, Tennessee, as an ornamental iron manufacturer. We transformed the much-needed window and front door guards into works of art via the intricate patterns we welded together. An example of our work still exists at the front of Elvis Presley’s Graceland Mansion.
The front gate, designed with a guitar and music notes, was created by our company.
Meet the Team
Chief Executive Officer
Shachar Weizman
Driven business development executive with a proven track record of scaling operations, leading teams of over 100 employees, and driving multi-million-dollar revenue growth. Brings a diverse background spanning executive leadership in non-profits and directing marketing and IT operations for an $11M production enterprise. A veteran elite unit officer and IDF Navy SEAL, leveraging battle-tested leadership, tactical strategy, and execution discipline to solve complex business challenges.
Mechanical Gate Operations Manager
Dawn Hill
Dawn Hill is an accomplished operations leader with over 15 years of experience in physical security, automated gate systems, and perimeter access control. She oversees regional gate installation, maintenance, and field operations across commercial, industrial, and residential client properties. Proven in directing technical field teams and managing complex electro-mechanical workflows, Dawn consistently ensures high-quality control, adherence to UL 325 safety standards, and reliable operational execution.
Office Manager
Christina Kallens
Accomplished administrative professional with 15+ years of experience in office management, record-keeping, and bookkeeping support. Demonstrated expertise in invoice processing, data management, and customer relations, ensuring compliance and operational efficiency.
Skilled in optimizing administrative workflows and delivering exceptional support in dynamic environments
Director of Mechanical Gates Operations
Rob Farmer
Rob Farmer is an experienced operations executive and industry leader specializing in physical security systems, gate automation, and perimeter access control.
Career Highlights
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Director of Gate Operations | Security Unlimited (M. Sauer Company)
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Oversees regional gate installation, maintenance, and technical field operations across commercial, industrial, and residential client properties.
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Directs field technicians and manages workflow for complex perimeter security and automated gate access projects.
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Field Service & Installation Management
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Lead Technician
Liam Weizman
Liam Weizman is a results-driven operations leader with 7 years of experience directing technical teams and overseeing complex security, low-voltage, and IT installations. Proven in driving end-to-end service delivery, Liam specializes in aligning cross-functional field operations with client needs, optimizing vendor relationships, and ensuring high-reliability deployments across commercial and residential properties. His expertise spans advanced CCTV networks, integrated access control systems, intrusion alarms, and low-voltage infrastructure.
