About Premier Group International

PGI is a security and private investigation company providing innovative and elite worldwide services to individuals, corporations, law firms, insurance companies, and the entertainment industry.

Story OF PGI

Our Story

President and founder, Joseph Dalu, retired from a career in law enforcement and launched PGI in 1999. PGI has become a proven leader in the investigative, security, threat and risk management industries.

PGI Team Concept

Team Concept

PGI develops results quickly, effectively, and accurately. We discuss each case as a team, garnering years of insight and experience from our talented pool of experts and professionals.



Each client’s needs are unique and may require varying methodologies. Our efforts are an investment in you. Our intentions are to reduce risk, provide answers, seek justice, or bring closure to a significant chapter in your life.



PGI is dedicated to maintaining its premier position as an industry leader service provider. We stay current with the latest trends in technology and equipment, resources, and training, constantly updating our clients with options and knowledge.


Speed matters. We’re quick to respond when challenges arise and do everything in our power to overcome them.


We hire individuals for their commitment to excellence and provide ongoing training to keep our people at their best.


Aspiring to the highest standards of ethical behavior, we believe doing the right thing is the only way.


Enthusiasm coupled with a clear vision gives our team an undying purpose and passion for what we do.


We understand and respect the feelings of our clients and work hard to ensure our company lives this value.


Through collaboration we work as a team eager to serve others.


PGI prides itself on hiring and retaining experienced investigators and security professionals with varied backgrounds, ranging from law enforcement to forensic psychology. We know how the system works so we can make it work for you. 

Joseph Dalu

President Owner

Joe began his law enforcement career at age 19 working as a Police Officer for a local Police Department in Southern California. He furthered his career working for California Department of Corrections (CDC) assigned to a variety of specialized units within CDC, including an Emergency and Critical Response Team, Administrative Segregation, transportation of high profile and dangerous inmates, as well as investigating Criminal Gang Activity orchestrated from within to the outside of the correctional facilities.

He later transferred to another local Police Department where he was assigned to Patrol, SWAT and the departments Dignitary Protection Detail. He subsequently retired due to an industrial injury occurring when appointed to the California Highway Patrol to further his career.

His experience working in law enforcement and the private sector consisted of conducting thousands of workers’ compensation investigations, fraud, stalking, threat assessment and risk management, civil complaints, white collar investigations, thefts, homicide, and missing persons.  This combined experience and careers, gained his excellent reputation known throughout the industry.

As President of PGI, Joe is responsible for development of threat and risk management programs, as well as directing staff in criminal, civil, and private investigations. With a prodigious reputation, PGI is in high demand when providing security and investigative services to the media and entertainment industry, government agencies, school districts and universities, fortune 500 companies, law firms, the insurance industry, and general public.

Jillian Lantz

Chief Human Resource Officer

Jillian joined PGI in 2008, bringing over 25 years of experience in office management. She preserves PGI’s culture of positive engagement with more than 30 employees and is a devoted employee advocate. Her leadership qualities help strengthen PGI’s brand as a leading employer of choice in the investigative and threat management industry. Jillian has the unique talent for developing and guiding PGI’s management philosophy and articulating our strategy for acquiring, developing, rewarding, and retaining the best personnel.

Todd Mattern

Law Enforcement and Public Safety Consultant

Todd Mattern is a 30-year veteran of law enforcement having served the whole of his career at an Orange County police department, retiring as Chief of Police. Todd earned a Bachelor of Science degree from California State University, Long Beach, and is a graduate of the Peace Officer Standards of Training (POST) Supervisory Leadership Institute and FBI National Academy. Todd also served as adjunct faculty at a local community college, training police academy recruits.

Since his retirement, Todd has worked as a consultant, specializing in the analysis of organizational structure and operational practices of police departments, leading to the development of recommendations based on efficiency, cost effectiveness, and best practices.

Brianna Morgan

Investigative Analyst

Upon graduation from San Francisco State University with a Bachelor of Arts degree in criminal justice studies, Brianna’s first job out of college was as an intern for the San Francisco Police Department’s Gang Task Force. In this role she gained a deeper understanding of criminal investigations and processes.

Brianna offers a wide skill set and is an asset to the office with her ability to manage cases, and perform background investigations, social media profiling, police record acquisitions, and database searches.

Reid Meloy, PH.D.

Forensic Psychologist

Reid Meloy, Ph.D., is a board-certified forensic psychologist (ABPP) and consults on criminal and civil cases throughout the U.S. and Europe. He is a clinical professor of psychiatry at the University of California, San Diego, School of Medicine, and a faculty member of the San Diego Psychoanalytic Center. He is a fellow of the American Academy of Forensic Sciences.

Dr. Meloy is a published author and conducts research on personality disorders, psychopathy, narcissism, criminality, and mental disorders. His first book, The Psychopathic Mind (Aronson, 1988), was an integration of the biological and psychodynamic understanding of psychopathy. Part of Dr. Meloy’s extensive professional history includes consulting for the FBI and teaching at the Behavioral Analysis Units in Quantico. He works with various security and threat units concerning the Royal Family and British political figures, as well as consulting staff on the television program CSI.

Rhonda Saunders, JD


Ms. Saunders obtained her Juris Doctorate law degree from the University of Southern California Gould School of Law and has been a Los Angeles County Deputy District Attorney for the past 31 years. She is an internationally recognized expert in the areas of stalking, workplace violence, and criminal threats. She continues to lecture on a global scale to prosecutors, law enforcement, civil and criminal law firms, corporations, security associations, and victim advocacy groups. She has served on the faculty of the United States Secret Service Threat Assessment Center (NTAC).

Notably, Ms. Saunders revised California’s Stalking Law Penal Code Section 646.9, and then wrote Penal Code Section 646.92. She is a true advocate and contributor to combating stalking and workplace violence and a solid asset to the PGI team.

Timothy Ramos

Senior Investigator

Timothy Ramos, a retired police sergeant, has over 25 years of law enforcement experience. During his tenure, Tim worked various assignments, from patrol to investigations to SWAT, as well as the D.A.R.E program. Tim was an academy instructor, teaching defensive tactics. He is an avid learner, believes in continuous education and training, and brings a wealth of knowledge from attending programs offered by state and federal agencies, which includes advanced training programs with the DEA, FBI, ATF, and U.S. Customs and Border Protection. With years of experience conducting hundreds of criminal investigations and narcotic and drug interdiction cases, Tim is a valuable member of the PGI team.

Robert Toyer

Training / Use of Force Expert

After a 27-year career, Robert Toyer retired from the Orange County Sheriff’s Department, Robert holds a Bachelor of Science degree in criminal justice management. During his career in law enforcement, he worked assignments in corrections, patrol, SWAT, and as a plain-clothes narcotics agent.

Robert is currently the lead instructor for the Orange County Sheriff’s Academy in use-of-force and cultural-diversity standards and has also taught required POST learning domains for the State of California.

Ron Cabrera

Fire and Life Safety Consultant

Fire Life Safety Expert / EMT
Ron Cabrera retired from the Los Angeles County Fire Department (LACoFD) at the rank of Battalion Chief. During his tenure with LACoFD, Ron managed thousands of emergency incidents and several high-profile arson investigations. He has conducted countless cause investigations and worked in all aspects of EMT and paramedic services. He has a wide range of experience evaluating for medical emergencies.

Upon retirement, Ron has continued his fire service career, consulting in areas of fire/life safety, leadership development, and public safety technology. His combined experience working in both the public safety arena and the private sector makes him a well-rounded team member at PGI.

Dean Dalu

EMT and Paramedic

After graduating from the San Pasqual Reservation Fire Academy in 2014, Dean Dalu went to work as a reserve firefighter for San Diego County through 2016. While attending an accelerated paramedic course, he worked as an EMT. Dean graduated at the top of his class in both academics and didactic, and he immediately passed the National Registry. Dean is currently employed as a firefighter/paramedic for a local county agency and shares his talents with PGI working as a paramedic during private security events.

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