Giau has over 20 years of professional experience gained in both the public and private sectors.

Her competency extends over many facets of traffic engineering such as undertaking transport impact assessments, concept designs, detailed traffic signal design, traffic reviews, design reviews and detailed analysis She also has had experience in roadworks traffic management plans and has undertaken many road safety audits.

Giau is an accredited Senior Road Safety Auditor, Roadwork Traffic Manager and a member of Institute of Engineers Australia.