Robert is the Managing Director in the Philip Chun Building Compliance, a multi disciplinary building code and regulation consultant firm. His experience ranges from domestic residential developments to multi-storey office, hotel and retail developments.

Recently, Robert has been involved in institutional work involving the health and public assembly building design, including the design and construction of new hospitals and extensive works to Star City Casino in Sydney.

Robert has also been involved in numerous expert witness and building compliance assessments of buildings. He has also been heavily involved in Government working parties on changes to legislation and lectures at University of Technology Sydney for the Building Professionals Board.

Robert was appointed as a member of the Building Professionals Board in March 2012.

Robert was appointed President of the AAC in 2023. He has been an AAC Board member since it's inception in 2003.