Meet Our Team

In 1997, Mark founded Electronic Systems Installers, carrying forward his father’s legacy while evolving with the industry’s advances. As president, Mark embodies the values of integrity, precision, and community focus that have defined ESI from the start. Under his leadership, our team has grown into a trusted local resource, serving our neighbors with customized security systems designed to protect people, property, and peace of mind.

Steve joined the ESI team in 2022. He leads our sales team with a clear focus: ensuring every customer is cared for from first contact through installation and beyond. Steve makes sure his team listens to your needs, provides honest recommendations, and delivers the personalized service that sets ESI apart from national chains. When you work with ESI, you have Steve’s commitment to customer satisfaction backing every interaction.

With a solid background in the security industry since 2013, Chris became a key member of ESI in 2022. As Operations Manager, he champions continuous improvements across all departments, leveraging his expertise in team coordination and project management. Holding a NICET certification, Chris also oversees the design and implementation of our fire alarm systems, maintaining high standards for safety and quality.

Brian’s extensive career in security started in 1995 alongside Mark Nardontonia at JAN Associates, where his foundational experience was built. After gaining further industry expertise through various roles following the sale of JAN, Brian joined ESI in 2025. With over 30 years of field engineering and system implementation knowledge, he is instrumental in ensuring that every installation meets precise standards and functions flawlessly.