
For over 30 years, STS has provided Chicagoland property managers and business owners with security integration, fire and life safety systems, and voice/data cabling infrastructure.
Meet Our Team

Mark Lasky
Chief Security Officer
Mark Lasky is a veteran in the security industry with more than 40 years of experience, developing integrated security plans and solutions for clients such as Draper, East Lake Management and HUD. Mark also is a regular consultant for the Chicagoland law enforcement and legal communities, providing expert testimony in forensic evidence.Dianna Krus
VP of HR and Professional Development
Dianna brings 25 years of experience in staffing and training the best talent in the industry. Her background in corporate training includes working with leaders such as Commerce Clearing House and the Naval Academy. Dianna has a master's degree from DePaul University and is a certified Corporate Trainer.Allen Sutker
Director of Business Development
Allen is a pioneer in the computer industry as the co-founder of VisionTech, one of the first providers of computer memory in the country. Allen has helped lead and grow several businesses across technology and real estate. Allen is a lifetime Chicago resident and has his degree from the University of Illinois.Laura Llanes
Director of Operations
Laura began her career as an EMT in Chicago, before dispatching and managing emergency situations with the 911 Center. Laura's hands-on experience allows her to manage all internal operations, as well as function as the liaison on for all client relationships.Mark Vasquez
Security Integration Specialist
Mark received electrical training in the US Navy, and has worked and managed teams across the globe installing wind farms and systems. For the last 15 years, Mark has dedicated himself to becoming one of the top integrators across both commercial and residential security systems.Miguel Diaz
Senior Field Operations Supervisor
Miguel is responsible for logistical coordination of all field activities and installations. His knowledge and understanding of equipment and staffing ensures flawless operations, execution and hassle-free client experiences.Manufacturing Partners


Licenses and Affiliations
