The current RTSA National Executive consists of the following members.  For a listing of previous National Executive and Chapter Chairs, see here.

Executive Committee

Stratton Killis headshot
Stratton Killis – National Executive Chair,
Vic/Tas Chapter Chair

Michelle Tan, CPEng – Deputy Chair,
Treasurer

Nicky Sweetman – NZ Chapter Chair

Tony Carbone, SA Chapter Chair,
CORE 2026 Chair
Formal headshot of Roy Unny
Roy Unny, CPEng. – Professional Development
Sub-Committee Chair
Past National Executive Chair

Wilson Dai – NSW/ACT Chapter Chair

Joe Percy, Qld Chapter Chair

Michael Crocker, WA Chapter Chair

Sub-Committee Chairs



Thomas Keating, CPEng – National Events Sub-Committee Chair


Lydia Saunders – Marketing & Communications Sub-Committee


Dr. Hossein Askarinejad – Awards Sub-Committee Chair

Executive Officer


John Gardiner

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