Find Certifiers

Dr. Brennan has 25 years of experience and has served on the Standards Australia committee for AS 1170.4.

Dr. Sarah Nguyen is a Chartered Structural Engineer and National Engineering Register (NER) practitioner with over 18 years of experience in seismic assessment and compliance certification across Australia. She holds a PhD in Structural Dynamics from the University of Melbourne and is a Fellow of Engineers Australia. Dr. Nguyen founded Nguyen Structural Engineers Pty Ltd in 2014, specialising in AS 1170.4 seismic compliance for commercial, residential, and critical infrastructure projects. She has certified over 340 buildings across VIC, NSW, QLD, and the ACT, ranging from Class 2 residential towers to Class 8 industrial facilities. Dr. Nguyen is a recognised expert in earthquake design category assessment, response spectrum analysis, and non-structural element restraint design. She is a regular presenter at the Australian Earthquake Engineering Society (AEES) annual conference and contributes to the Standards Australia technical committee for AS 1170.4 review.

Dr. Kowalski holds a PhD in Structural Dynamics from UNSW and has over 22 years of experience. Fellow of Engineers Australia.

Mei-Ling is a Chartered Professional Engineer with 15 years of experience in high-rise seismic compliance in Victoria.

Marcus Webb is a Chartered Structural Engineer with 14 years of experience in seismic assessment across Queensland and New South Wales. He holds a Bachelor of Engineering (Civil/Structural) from the University of Queensland and a Master of Earthquake Engineering from the University of Newcastle. Marcus is a member of Engineers Australia and holds National Engineering Register (NER) accreditation. He has certified over 210 buildings across QLD and NSW, with a strong focus on Class 5 commercial offices, Class 7 warehouses, and Class 8 industrial facilities in high-seismicity zones.

Robert is a Registered Professional Engineer of Queensland with 18 years of seismic engineering practice.

Daniel has 14 years of experience in Tasmania and Victoria, focusing on residential and aged care facilities.

Amara is a CPEng with 12 years of experience in Western Australia, focusing on mining infrastructure.

Yuki brings 10 years of seismic certification experience in the ACT, specialising in government and defence facilities.

Preethi is a CPEng with 9 years of experience across NSW, VIC, and QLD, specialising in mixed-use developments.