About Our Firm

The Detail Protective Services, Inc.

Executive Team

Security & Safety Services

Mark Stroh

Mark Stroh

CEO and Founder

Mark Stroh is an accomplished and multifaceted security leader with experience in government and private industries. A protective vision became his prime focus after working over 20 years in the intelligence and protection industry.

Spencer McQuinn

Spencer McQuinn

Operations Manager

Spencer McQuinn is a public safety and security operations leader with extensive experience managing uniformed patrol services, special events, and client-facing security programs. As Operations Manager at The Detail Protective Services, Inc., Spencer is responsible for field operations, personnel supervision, deployment planning, and operational accountability across multiple active assignments.

Field Operations

Kevin Box

Kevin Box

Field Supervisor

Kevin Box is a proficient and highly skilled security professional in the corporate security management field. Accompanied with his experience working as a Federal Law Enforcement Officer partnering with the Riverside County Sheriff's Department, Mr. Box has exposure in both public and private sectors; including 10+ years experience as a Director of Security for one of America's leading retail and real estate investment trust companies, Simon Property Group.

Andrew Aldana

Andrew Aldana

Operations Supervisor

Andrew Aldana is a public safety and executive protection professional with nearly 15 years of experience across tribal public safety, executive protection, and state and local law enforcement environments. His background includes progressive leadership responsibilities in field supervision, personnel management, security operations, and high-risk protective assignments.