Robert Chelstowski provides strategic advisory services in protective design and security at Thornton Tomasetti, helping clients improve security performance, compliance, availability, and resilience in ever-changing threat situations. He specializes in the planning, design, and delivery of physical and operational security technology solutions for new and existing facilities and campuses.

Robert develops global security design standards and deployment strategies, leads security risk and threat assessments, implements crime prevention through environmental design (CPTED) strategies, and advises clients on the proper application of technology, materials, and procedures. His experience also includes access control and intrusion detection, video surveillance and analytics, emergency notification and communications, firearms and weapons detection, perimeter security systems, vehicle barriers, pedestrian turnstiles, and integrations with other building control systems. Robert works across a broad range of sectors, including commercial, mission-critical, industrial and advanced manufacturing, and government.