Badges of Honor

24 Hour Service

24 Hour Service

Leadership and Support

Antonio “Tony” Leal

Chief of the Texas Rangers – Retired

Antonio “Tony” Leal is the President of PPI Security.

Prior to entering the private sector, Tony served the State of Texas with the Texas Department of Public Safety, where he started as a Trooper in 1984, and was promoted through the ranks to Texas Ranger, Lieutenant, Company Commander, Chief of the Texas Rangers and leaving as an Assistant Director of the Department of Public Safety – overseeing the Texas Rangers, DPS Special Operations, Major Crimes and Border Security.

His experience is in personal protection, security, sensitive and major investigations, high-level management, implementation of new programs, program management and strategic planning. Tony is a graduate of Northwestern University School of Police Staff and Command and the University of Texas, LBJ School of Public Affairs – Governor’s Executive Development Program.


Gene Tandy

Vice President of Operations

Gene Tandy is PPI’s Vice President of Operations.

Gene entered law enforcement in 1977 with his acceptance to the Texas Department of Public Safety and retired with the rank of Captain in the Narcotics Service.

Among his many duties, Gene carried federal task force credentials for most of his investigative career, coordinating investigations with law enforcement counterparts nationwide.

In an off-duty capacity, he has 30+ years of proactive experience coordinating professional security services for clients ranging from individuals to corporate entities.

Mike Leal

Operations Manager

Mike Leal is responsible for the smooth running of all security and investigation operations at PPI Security as Operations Manager.

Prior to joining PPI Security, Mike served the City of Bellaire, where he started as a Patrolman in 1988 and held positions in Criminal Investigations and Police Administration. In 1997, Mike was promoted to the Rank of Detective Sergeant and assisted in the development of the agencies Special Response Team in which he held positions as a Tactical Operator and Team Leader. He would later become the Administrative Officer over the unit.

In 2001 Mike was promoted to the rank of Lieutenant over the Criminal Investigations Division and Support Services. Mike assisted and coordinated high-level investigations in which many gained national attention and media coverage.

Mike developed, implemented, and oversaw the hiring and background procedures currently in use by the Bellaire Police Department and was also the training coordinator for the agency.

In 2012, Mike was promoted to the rank of Assistant Chief of Police.

Mike is a Master Peace Officer through the Texas Commission of Law Enforcement (TCOLE) and is a graduate of the Texas Leadership Command College based out of Sam Houston State University.

Frank Malinak

PPI Lead Investigator

Frank Malinak retired in 2017 as Assistant Chief from the Texas Rangers after 37 years in law enforcement. He has investigated a wide variety of crimes involving financial crimes, embezzlement, public corruption, organized crime and crimes of violence. He was a lead investigator in over 75 homicides.

Frank earned a Bachelor of Science degree from Texas A & M University and began his career as a deputy sheriff with the Lee County Sheriff’s Office in 1979 before joining the Texas Department of Public Safety as a Highway Patrol Trooper in 1984.

Frank is a forensic hypnotist, former president of the Texas Association of Investigative Hypnosis and served as the chairman of the Department of Public Safety’s Hypnosis Oversight Committee.

He is a certified police instructor and has taught numerous courses in criminal investigation. 

Jim Miller

Lead Special Investigations
Captain of the Texas Rangers – Retired

James “Jim” Miller is the Lead Investigator for PPI Security.

Prior to joining PPI Security, Jim served the State of Texas with the Department of Public Safety where he started in the Driver’s License Service in 1975. Later that year, he transferred to Cleveland, Texas, as a Highway Patrol trooper.

In 1987, Jim applied for and was accepted as a Sergeant with the Texas Rangers in Georgetown, Texas.

In 1997, Jim was promoted to Lieutenant of Company “A” in Houston, Texas, and was promoted through the ranks to Captain of Company “C” in Lubbock, Texas, and finally retiring as Assistant Chief of the Texas Rangers in 2008.

Jim is a 1974 graduate of Sam Houston State.

Tonie Johnson


Tonie Johnson is our “go-to” person in matters relating to Human Resources and Customer Service.

Prior to joining PPI Security in 2016, Tonie assisted all levels of Executive Management in the daily operation of businesses serving as Executive Assistant, Human Resources Manager, Sales Manager and Office Manager.

Throughout the course of her career, Tonie has mastered and become the unofficial expert in all matters concerning Office Management.

Presently, Tonie is a licensed Private Investigator for the State of Texas and holds a Level IV license. At PPI, she performs background checks, from minor to extensive, using various search databases.

Tonie is a graduate of Ashford University where she received her BA in Human Resources Management, her MA in Organizational Management and a MBA in Business Administration.

Donna Hatch

Operations Specialist

Donna Hatch serves as an Operations Specialist for PPI Security.

Donna manages the workflow at PPI and optimizes day-to-day activities including scheduling and customer interaction. Her role involves analyzing business operations while identifying customer needs in order to bring the two closer together. Customer service is her forte and she had a very loyal clientele for the last 15 years.

Prior to joining PPI, Donna was General Manager for a security firm specializing in electronic security and also worked alongside the investigators scheduling and conducting investigations, detailing reports, and reporting to clients.

Donna has over 25 years of experience in the security and investigative industry.

She is a licensed private investigator and has done background investigations, due diligence searches, interviewed clients, screened client calls, aided in finding missing children, licensing and other investigative related opportunities.