Specialties
Guardian Security Training provides New York State approved security guard training courses for Long Island and NYC. GST is the only training facility on Long Island to offer not only security guard courses, but private investigator development, HR218, conceal carry courses, and active shooter response seminars and drills.
History
Established in 2018.
Guardian Security Training provides New Yorkers with State approved Armed and unarmed security training courses in response to any emergency including How to Respond to an Active Shooter Situation.
GST is the only training facility in New York to offer not only these security related courses, they also offer Security Guard Training for both unarmed and armed security enforcement officers as well as Level one, introduction to private investigations as a career.
Meet the Business Owner: Matthew S.
Matthew D. Seifer is the founder of Guardian Security Training and Radius Investigations. Seifer has been a self-employed business owner throughout the last 26 years. His entrepreneurship includes over 11 years as a private investigator and qualifying officer of a private investigations firm, and operating a security guard agency for over 15 years.
Through his relationships with businesses and government personnel, reputation for professionalism and integrity, and continuous tenacity, Mr. Seifer has grown his work from a self-employed private investigator, to a full private investigation agency, and formed security and public safety training facility.
His extensive investigative skills, as well as his decades of first-hand experience in armed private security and overseeing teams of operatives, has shaped him into a valuable wealth of knowledge in the subject matters of private investigations and conducting oneself as a security guard.
