Protos News

Our Latest News

Protos will be exhibiting at ISC West in Las Vegas. At ISC West, Protos will demonstrate its latest advancements in security technology, illustrating how its software ecosystem enhances efficiency, transparency and scalability, improving security outcomes and providing the visibility businesses need to operate with confidence.

Squad Security, A Protos Company, proudly welcomes John Valdez as its new Regional Vice President of Operations. As a dynamic leader with 25 years of experience in Fortune 500 companies and high-growth ventures, Valdez will spearhead Protos’ Specialized Division in California, driving innovation, operational excellence and strategic expansion.
A recent WGN-TV segment featured an interview with Anthony Varchetto, President, and Jeff Salvetti, Vice President, of Blue Star Security, which they co-founded. They discussed how Blue Star provides premier security and investigative services across Chicago and North America through Protos Security’s Specialized Services Division.
Security Services Holdings LLC (dba Protos Security), the leading tech-enabled vendor managed services security provider in North America, announces that it has acquired Summit Off Duty. Protos Security is a portfolio company of Southfield Capital and adding Summit to the portfolio expands the service offering and value to its customer base. The transaction closed on March 1, 2024.
Protos Security recently attended the Global Security Exchange (GSX) 2023 Conference in Dallas, TX. On the show floor, Dan Arnold, our Senior Vice President of National Operations, had the opportunity to participate in an interview with Ben Thomas, host of MarketScale.
The International Supply Chain Protection Organization (ISCPO) announced that Protos Security has joined as the organization’s preferred vendor partner as ISCPO continues to support its members and the supply chain security community.
Security Services Holdings, LLC (dba Protos Security), the leading technology-enabled managed services platform in North America delivering an integrated suite of physical and technology-based security services to commercial customers, announced it has hired Michael Jacobs as Chief Operating Officer, effective immediately.
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.