Steve Castans

Director of Client Relations

Steve Castans comes to P4 with over 30 years in law enforcement and 20 years in private security. Steve started his career in law enforcement with Cook County where he attained the rank of Patrolman, Sergeant, Lieutenant, Commander, and Chief of Police for 20 years. He is a graduate of the FBI National Academy, 153 …

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O'Riordon, Brian

Brian O’Riordon

Director Mid-Atlantic Region

Brian currently serves as the Director, Mid Atlantic Region for P4.  He brings to this position 25 years of experience as a State Police Detective on the Massachusetts State Police.  His current responsibilities include daily oversight and communication with our partner security companies and our clients in New Jersey, Connecticut, Rhode Island and Massachusetts. His …

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Rick Marty

Operations Manager of Off-Duty Law Enforcement

Rick Marty is currently the Operations Manager for Off Duty Law Enforcement Officers and an Instructor for P4 Security Solutions.  Rick has 28 years combined experience with the Illinois Department of Corrections (IDOC) and the Illinois Department of Juvenile Justice (IDJJ), with the last 18 years at a Supervisory/ Administrative level.  Rick has always had …

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Mary Valas

Mary Valas

Senior Director of Human Resources

Mary Valas is the Senior Director of Human Resources, joining P4 Companies in 2021. She is a strategic business partner serving as leader, consultant, resource and authority on HR policies, practices, resources, and transactions. She is responsible for developing, implementing, and maintaining HR initiatives that support efficient operations, planning and execution, and maximize individual and …

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William Bartgen

Senior Accountant

Bill Bartgen joined the P4 Companies in 2021, with more than 10 years of experience in accounting, financial processes development, and consolidations. In his current role, Bill oversees the day-to-day accounting operations supporting all aspects of the business. His knowledge in building out a process will be used to build P4’s initiatives. Prior to joining …

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Marcos Robakidze

Security Operations Center Manager

Marcos Robakidze is the Security Operations Center (SOC) Manager for P4 Companies. In this role, Marcos manages the extensive array of access control and surveillance systems involved in providing clients advanced remote security. In addition to this, he trains and manages an elite team of SOC Operators and Field Inspectors, ensuring they maintain a high …

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Brooke Karraker

Human Resources Generalist

As Human Resources Generalist for P4, Brooke collaborates with many different departments on HR needs. Brooke plays an active role in identifying talent for various Security and Corporate positions while coordinating with Recruitment and Management. She assists with managing employee benefits info, provides employee relations support for Management, and handles other HR duties as needed. …

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Chris Curtis

Regional Director

Chris currently serves as Regional Director for P4 Companies.  He brings nearly 23 years of industry experience in key vertical markets such as Automotive, Healthcare, Class A High-Rise, Warehousing/Distribution and Pharmaceuticals.  His current responsibilities include the day-to-day security operations and management of his territory, contract compliance & risk mitigation while working on growth strategies, policy …

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Jeff Kuempel, MBA


Controller and Finance Lead Jeff Kuempel joined the P4 Companies in 2021, with more than 15 years of experience in accounting, financial analysis compliance and risk management. In his current role, Jeff oversees finance, accounting, treasury and revenue management, while playing a significant role in P4’s strategic leadership. His professional experience offers extensive leadership and …

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John Settino

Operations Assistant

P4 Operations Assistant John Settino is responsible for assisting the Operations team with coordinating daily assignments, establishing protocol, sustaining respectable client relationships, and ensuring that an adequate on-call security force is available to cover open posts. John began his career as a Security Officer in 2018 with Securitas Security Services, USA Inc. where he worked …

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