Always on Target

About

Passion. Experience. Diligence.

About Lyons Security

Lyons Security Service, Inc. is a family-owned security company with more than 40 years of experience. Founded in Sacramento in 1982 and incorporated in 1996 under Kathleen Guidice’s leadership, Lyons serves public agencies, businesses and communities throughout California.

Our Sacramento and Anaheim offices support armed and unarmed guard services in Sacramento County, the Inland Empire and Orange County. Our leadership team brings together security management, law enforcement, training and financial experience.

Talk With Our Team

Tell us about your property, coverage hours and security priorities. Our team can help you discuss armed and unarmed guard options for your location.

Request a security consultation

Sacramento Office

(714) 912-3494

Orange County & Inland Empire

(949) 298-6859

Meet Our Leadership Team

Nicholas Guidice, Chief Security Officer & Owner

Nicholas Guidice

Chief Security Officer & Owner

Nicholas leads client relationships, contract oversight and the company’s long-term direction. He joined the family business in 2013 and brings more than a decade of security supervision and management experience. With a degree in Criminology and Justice Studies, he works closely with clients and the management team to build responsive, accountable security programs.

William Guidice, President

William Guidice

President

William joined Lyons in 2016 and has helped grow the company from 35 guards to over 500 employees. As President, he focuses on financial planning, growth strategy and the resources needed to support an expanding organization. Working with the executive team, he strengthens financial controls and plans for sustainable growth so Lyons can support its employees and meet its commitments to clients.

Lindsey Guidice, CPA, Chief Financial Officer

Lindsey Guidice, CPA

Chief Financial Officer

Lindsey oversees financial operations, budgeting and reporting. A Certified Public Accountant and California State University San Marcos graduate, she brings experience in audit, tax and financial management, including serving as an Assurance Director at CliftonLarsonAllen. Her work supports clear financial reporting, sound internal controls and informed planning.

Craig Friesen, Chief Operations Officer

Craig Friesen

Chief Operations Officer

Craig joined Lyons in 2023 after a 28-year career with the Anaheim Police Department, where he retired as a Captain. His experience spans patrol, emergency management, professional standards and homeless outreach. At Lyons, he oversees operational performance, supports client relationships and helps coordinate complex incidents with public safety partners.

Michael Lozeau, Chief Training Officer

Michael Lozeau

Chief Training Officer

Michael leads officer training with an emphasis on communication, de-escalation and practical emergency response. A retired Anaheim Police Department Sergeant with 32 years of law enforcement experience, he supervised homeless outreach and psychiatric emergency response teams. He also developed a California POST-certified Homeless Liaison course and teaches law enforcement personnel statewide.

David Pasino, Operations Manager

David Pasino

Operations Manager

David brings more than three decades of law enforcement experience, retiring as a Sergeant with the Orange Police Department in 2025. His background includes 15 years as a Detective, patrol supervision, homeless outreach and bicycle patrol. At Lyons, he supports field operations, officer development and coordination with clients and public safety partners.

Frank Lopez, Operations Manager

Frank Lopez

Operations Manager

Frank joined Lyons in 2021 and brings experience in scheduling, training and supervising security teams across day, evening and overnight shifts. Previously an Assistant Account Manager with Allied Universal, he supports dependable coverage, helps resolve operational concerns and works with officers to maintain clear procedures and professional service.

James Clinger, Operations Manager

James Clinger

Operations Manager

James joined Lyons in 2018, bringing a decade of experience in the service industry. He coordinates scheduling, supports employees and helps keep daily security operations running smoothly. His work includes managing services in Moreno Valley and Perris, with a focus on clear communication, dependable coverage and responsive support for clients.

Carter McDannold, Operations Manager

Carter McDannold

Operations Manager

Carter leads day-to-day operations from Lyons’ Sacramento office. He began his security career in 2019 and joined Lyons as a Field Supervisor in 2022 before moving into management. A California Baptist University graduate, he coordinates staffing, site visits, post orders and client communication while supporting officers throughout Northern California.