Meet Our Team

Ron Julian

Founder

After service in the United States Navy and several years in law enforcement, Ron opened the first office of National Business Investigations (NBI) in 1967 in Fullerton, California. With a broad client base, his work took him nationwide, providing investigation and protective services to major corporations and high-profile individuals. Ron dedicated his life to protecting the rights of others and stood as a passionate advocate for excellence and principle. He left a lasting legacy of character and professionalism for his family to carry on.

Michael Julian

CEO

Michael, son of our founder, began his career in security and investigations at 16, training directly under his father. He majored in Administration of Justice and was inducted into Phi Theta Kappa for academic achievement. Michael joined the California Association of Licensed Investigators (CALI) in 1995 and has served as District Governor, Vice President, and President from 2005-2015.

His advanced security training includes behavioral threat assessment, executive and asset protection, defensive and evasive driving, aviation security, counter surveillance, and more. He teaches executive and asset protection courses across the nation, consults for premier organizations, and is recognized for his expertise in workplace violence identification and active shooter survival.

Michael created A.L.I.V.E.-Assess, Leave, Impede, Violence, Expose-in 2014, launching the Active Shooter Survival philosophy and bestselling book 10 Minutes to Live. The A.L.I.V.E. Training Program is now a vital part of corporate security training in organizations globally.

Mike Speirs

President

Mike holds a Bachelor's in Business Administration (Management & HR) from Cal Poly Pomona, and brings over 23 years of progressive leadership roles including at the Los Angeles Times and multiple successful California businesses. In recent years, he has served in executive management in Southern California's competitive services sector.

Mike's core strengths include leadership development, operations management, financial analysis, and experience optimization. He is also an A.L.I.V.E. Active Shooter Survival Instructor and Stop The Bleed Instructor.

Matthew Crider

Executive Protection Manager

Matt holds a bachelor's degree in criminal justice and specializes in executive protection, threat assessment, and security policy development. With over 13 years of dedicated experience, he serves as a Certified Instructor of the A.L.I.V.E. Active Shooter Survival Training Program and leads our executive protection initiatives with professionalism and expertise.

Robert W. Ramirez

Uniformed Security Manager

Robert has served in private security since 1984, managing security operations at diverse facilities and overseeing classified government projects. He received specialized training at multiple California colleges and held secret clearance for over a decade, demonstrating extensive compliance and operational expertise. Since joining MPS Security and Protection in 2007, Robert has led uniformed security and contract management for high-value clients.

Diedre Lane

Investigations Case Manager

Diedre is a licensed Private Investigator and Registered Process Server with over 25 years of law enforcement and investigative experience, specializing in civil litigation support, people and asset location, and background and insurancce investigations. She joined NBI in 2018 and swiftly advanced to Case Manager, where she oversees internal and nationwide contract investigations. Diedre is recognized for her communication skills, client-centric approach, and consistent results.