Mr. Tan joined R.W. Sullivan Engineering in 2006 and has 29 years of progressive and diverse engineering and project management experience in a wide variety of public and private sectors including industrial, commercial, institutional and residential facilities, design/construction related for electrical, telecommunications and electronic security systems. In addition to being a Professional Engineer for more than 25 years, Mr Tan holds industry recognized certifications for telecommunications structured cabling systems as well as integrated electronic security systems including access controls, video surveillance and intrusion alarm systems.