Healthcare Security and Protection Against Workplace Violence in Clinical Environments

Healthcare environments are increasingly impacted by workplace violence, particularly in emergency departments, behavioral health units, and high-traffic waiting areas. Incidents often involve patients experiencing psychological distress, substance-related crises, or family members under emotional strain. These situations create elevated risk for staff and patients and require a structured security presence to maintain control and safety. Healthcare […]

Blue Star Security Co-Founder Featured in Journal & Topics on Law Enforcement Mental Health Support

Law enforcement officers are regularly exposed to traumatic and high-stress incidents, and the cumulative impact of these experiences can significantly affect long-term mental health. While awareness of these challenges has increased, access to timely and effective support remains uneven across the profession. In a recent Journal & Topics feature, Blue Star Security co-founder Anthony Varchetto […]

Blue Star Security Announces Launch of New Website Reflecting Growth and Expanded Services

CHICAGO, IL – Blue Star Security has officially launched its newly redesigned website, bluestarsecurity.com, offering clients, partners and visitors a more streamlined and informative online experience as the company continues its expansion of security solutions. The new website reflects Blue Star Security’s continued growth and operational presence, including offices in Chicago, Nashville, New York City […]

Construction Site Security Strategies for Large-Scale Projects

Large-scale construction projects bring together valuable equipment, multiple contractors, and constant activity across evolving job sites. With so many moving parts, maintaining a secure environment becomes both more complex and more critical. Effective construction site security is not just about preventing theft—it’s about protecting timelines, reducing liability, and keeping operations running smoothly. Understanding Construction Site […]

Places of Worship Emergency Security: Preparing for and Responding to Threats

Places of worship are built on openness, community, and trust. At the same time, they must be prepared to address real-world risks that can arise without warning. From large gatherings to high-profile services, these environments require thoughtful planning and the ability to respond quickly. Emergency Security plays a critical role in helping faith-based organizations protect […]

Training & Security Assessments for Private and Charter Schools: Addressing Unique Campus Security Challenges

Private and charter schools face a distinct set of security challenges. Unlike larger public districts, these institutions often operate with more flexible structures, varied campus layouts, and different resource levels. As a result, a one-size-fits-all approach to school safety is rarely effective. This is where Training and Security Assessments play a critical role—helping schools identify […]

Financial Institution Executive Protection: Safeguarding Leadership and Client Trust

Financial institutions operate in high-stakes environments where visibility, assets, and decision-making authority intersect. Leadership teams are often front-facing, making them potential targets for both physical and reputational risk. Executive protection is not just about personal safety—it’s about maintaining stability, confidence, and continuity across the organization. Why Executive Protection Matters in Financial Institutions Executives in banking […]

Protos
Headquarters

383 Main Ave, Suite 505
Norwalk, CT 06851, USA
Phone: 203.941.4700

Protos
Headquarters

383 Main Ave, Suite 505
Norwalk, CT 06851, USA
Phone: 203.941.4700

Mark Hjelle

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.