Mark Therrien SET

Mark Therrien is currently a Systems Designer III at everOn, bringing over 30 years of extensive experience in the Fire & Security business. Previously, Mark held roles including Commercial Sales Engineer at ADT Commercial and Senior Applications Manager at Tyco Integrated Security, showcasing a strong background in systems design and project management. With past experience in law enforcement and private security, Mark possesses unique insights into risk analysis and loss assessments. Mark has also served as an instructor for Massachusetts certified courses, reflecting a commitment to education and professional development.