Marc A. Garza, P.I.

CEO of GRI Investigative Group, Inc.

Background and Experience:

Marc Garza, CEO of GRI Investigative Group, Inc., brings over two decades of law enforcement experience and a strong background in private sector investigations to his work with law firms and private clients. A retired police sergeant, Marc served in a wide range of specialized assignments, including patrol, field training, investigations, SWAT, firearms instruction, and supervision. He has testified as an expert in both civil and felony-level criminal cases, earning a reputation for credibility and professionalism. Now specializing in Civil, Criminal Defense, and Family Law matters, Marc leads a team of seasoned investigators, each with law enforcement backgrounds, ensuring every case is handled with precision and integrity. As CEO, he remains deeply involved in all aspects of the agency's work, committed to delivering exceptional service and reliable results for every client.  Marc is a proud member of the California Association of Licensed Investigators ("CALI"), the San Diego Bar Association ('SDCBA") and Business Networking International ("BNI").

Stella Chases

Operations - GRI Investigative Group, Inc.

Background and Experience:

Stella Chases brings a wealth of experience in office management and operational systems, with a career focused on enhancing the efficiency of investigative and surveillance teams. At GRI Investigative Group, Inc., she plays a pivotal role in supporting complex investigations by conducting detailed background research, organizing case documentation, and delivering precise, discreet litigation support. Known for her professionalism, organization, and strong attention to detail, Stella ensures that daily operations run smoothly and that every case receives the thorough support it deserves. She holds a degree in Criminal Justice from San Diego State University, where she developed a deep passion for the field—a passion that continues to drive her commitment to excellence in every aspect of her work with our agency.