Our Team

Our staff comes from educational, private security, law enforcement, and military backgrounds. We have over a decade of experience as security providers with safety as our priority. Our team is passionate about what we do - giving our students the tools to succeed out in the field and in their professional careers. 


Ms. Lin is the Founder and President of Absolute International Security with over 27 years of experience working with private security firms. She is a graduate of Claremont Graduate University with an Executive Master in Business Administration (EMBA) and received her Qualified Manager (QM) license from the State of California Bureau of Security and Investigative Services in 2006. In the past ten years, she has seen AIS operations grow from a team of 10 to over 400 security professionals, field supervisors, and staff. However, despite the company's great success, she still focuses on maintaining a family-oriented atmosphere. The Director drives the school's vision and is responsible for the adherence to its core values.




Mr. Colindres is responsible for the management of AIS Training Center and the development of the school curriculum. He served a 6-year tour with the US Army in Operation Enduring Freedom before going into law enforcement with the LAPD and LAWA. He has been employed by agencies such as Orange Unified School District as a Criminal Justice Instructor. His training and experience extends to a vast majority of P.O.S.T. Certify Courses in Law Enforcement, acquiring P.O.S.T. certificate from the Commission of Peace Officer Standards and Training with the Department of Justice. Mr. Colindres is a licensed BSIS Instructor for the Guard Card, Baton, and Exposed Firearm Permit courses. 

Executive of Operations & Training


Mr. Domingo earned his Juris Doctorate from the University of California, Davis school of Law. He ensures that the AIS Training facility complies with all Federal, State and local laws and regulations. In addition, he oversees and monitors AIS' legal claims and liabilities and drafts legal documents for internal and external matters. 

Legal Compliance Officer

Raymond T. Domingo

Mr. Santillano is experienced within private security as the Quality Assurance Assistant Manager of AIS. He specializes in threat assessments, construction of Post Orders, risk management, damage control, and training. As an Instructor, he leads courses such as OC Pepper Spray Training, Baton Permit Training, and Active Shooter Emergency Response. Mr. Santillano is certified to teach through the Bureau of Security and Investigative Services (BSIS) and Armament Systems and Procedures (ASP). 

Training Instructor


The Training Coordinator for AIS is responsible for the general day to day operations of the training facility. She has extensive experience in assisting veterans with vocational training and job placement. In addition, she will ensure that the training facility complies with all necessary state and federal record keeping requirements. She will serve as the main point of contact for both prospective students and current students to assist with their educational and job placement needs.

Training Coordinator

Diana Offen