Event Security: Managing Crowd Surges at Concerts and Festivals in 2026

As major festivals attract record-breaking crowds in 2026, event organizers must create environments where attendees can safely enjoy the event. For event organizers, understanding how crowd surges develop – and how they can be prevented – is a critical part of creating a safe and successful event.  Studies on crowd management find that catastrophes at […]

Investigative Services for Corporate Fraud Prevention

Corporate fraud, also known as occupational fraud, can be devastating for both large and small businesses, causing extensive damages to profit, performance, and reputation. Organizations victimized by corporate fraud can expect to suffer financial loss, company value reductions, and reputational damage, among other serious consequences. Studies indicate that occupational fraud can affect any organization, regardless […]

Place of Worship Security for Synagogues in 2026

The first few months of 2026 brought a series of serious security incidents targeting synagogues across the United States, including violence, arson, vandalism, and at least one foiled terrorist attack. In January, a synagogue in Mississippi was set on fire before dawn, causing significant structural damage and destroying several sacred Torah scrolls. The attacker later […]

Production Security: The Key to Keeping Film Productions on Track

After four years of decline, the market for film and television production in the United States is finally seeing growth in 2026. The trend reflects the effect of tax incentives offered by several states, including California and New York, which have spurred a return to domestic production. Nonetheless, worldwide investment in the high-end film and […]

Top Security Risks Businesses Miss Without Regular Security Assessments

Security threats are becoming more sophisticated, and businesses that do not adapt their strategies and practices are leaving themselves vulnerable to incidents that could have easily been avoided. Organizations typically use a combination of technologies, personnel, and procedures, but overlook the potential risks embedded in them. In addition, if unaddressed, these risks could lead to […]

The Most Common School Security Gaps Administrators Overlook

School security is a multifaceted issue that requires far more than just locked classrooms and emergency drills. According to the National Center for Education Statistics, the overwhelming majority of American schools had safety protocols in place when serious incidents occurred. Vulnerabilities are often discovered when they contribute to emergency situations.  From ineffective response plans to […]

Emergency Security During Civil Unrest: Protecting People, Property, and Operations

Periods of civil unrest can present a number of challenges to businesses of all sizes. Protests, public disorder, riots, and security threats can put employees and assets at risk, while also creating disruptions to the normal course of operations. While any company can manage day-to-day security matters, emergency situations often require a higher degree of […]

Logistics Security Strategies to Reduce Cargo Theft Risk

Cargo theft remains a serious problem for logistics facilities, distribution centers, and other entities that handle high-value shipments. With the growing complexity of supply chains and the increasing number of transfer points, criminals are constantly looking for new ways to infiltrate logistics facilities and intercept valuable goods. Theft can take various forms, ranging from hijacked […]

Financial Institution Security: Cash Handling, Access Control, and Fraud Response

Cash-intensive environments within financial institutions require constant oversight to reduce exposure to theft, error, and internal risk. Branches, teller lines, and cash storage areas operate on strict procedures that must be reinforced in real time. Security personnel play a critical role by maintaining visibility over cash movement, supporting dual-control protocols, and ensuring that handling processes […]

Traffic Control Services: Managing Flow, Safety, and Operational Efficiency

Effective traffic management begins with structured coordination of both vehicle and pedestrian movement. Whether supporting large-scale events, construction zones, or facility operations, controlled flow reduces congestion and minimizes safety risks. Properly positioned personnel ensure that vehicles enter, exit, and circulate in an orderly manner while pedestrians are guided along safe, designated paths. We apply law […]

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.