Explore Blue Star’s expert insights on real-world security challenges, where complex risks meet practical, actionable solutions. Dive into guidance shaped by real operational experience—from identifying emerging threats and vulnerabilities to implementing effective protection strategies across physical and organizational environments.
Active shooter events evolve quickly and are highly unpredictable–however, in the midst of chaos, anyone is capable of playing an integral role in mitigating the impact of the incident. Would you know how to increase your chances of survival during an active shooter event? Check our Active Shooter Crisis Plan to learn valuable information that could save your life.
Subscribe to Blue Star’s official newsletter and get all the latest security insights and industry updates delivered straight to your inbox.
383 Main Ave, Suite 505
Norwalk, CT 06851, USA
Phone: 203.941.4700
383 Main Ave, Suite 505
Norwalk, CT 06851, USA
Phone: 203.941.4700
Chief Executive Officer
Mark Hjelle is the CEO of Security Services Holdings, LLC as well as Protos Security and its subsidiaries. Mark is an experienced Chief Executive Officer and Board Member who has led large national business and facilities services firms for nearly 25 years delivering strong top- and bottom-line growth while building high-performing teams with strong culture. Most recently, he was CEO for CSC ServiceWorks, a B2B2C provider of technology-enabled consumer services. Prior to CSC, Mark was President of Brickman/Valleycrest a national provider of exterior landscape and snow removal services. Over the course of his 18-year tenure at Brickman, he held numerous leadership positions in operations, finance and business development. Mark holds a Bachelor of Science degree in Economics from The Wharton School of Business, University of Pennsylvania, a Master of Government Administration from the University of Pennsylvania Fels Institute of Government and a Law Degree from Case Western Reserve School of Law.
