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Executive Profile
MARC A. GARZA
Founder & CEO
Licensed Private Investigator
Police Sergeant (Retired)
Marc is the CEO of GRI Investigative Group and a retired police sergeant with over 30 years of combined law enforcement and investigative experience.
The agency specializes in civil litigation, criminal defense, and corporate investigations, handling complex cases involving witness interviews, background investigations, asset discovery, and case strategy support.
Marc leads a team of experienced investigators, many with law enforcement and legal backgrounds, bringing a practical and results-driven approach to each case.
During his law enforcement career, he served in patrol, investigations, SWAT, and supervisory roles, and received advanced training from agencies including the FBI, DEA, and California POST. He has conducted investigations and provided testimony in both state and federal courts and is recognized for his objective, detail-oriented, and court-defensible work.
NOTE: Due to the sensitive and often confidential nature of our work, we do not publicly identify all personnel or disclose operational details. All investigators operate under the direction and standards of GRI Investigative Group, ensuring professionalism, discretion, and well-documented work product that aligns with the expectations of legal counsel and our private clients.
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