Siobhan is a sustainability executive, recognised for achieving global sustainability sector leadership for two ASX-listed organisations. Her experience encompasses Indigenous engagement, social impact, community involvement, climate strategy, corporate foundations, and sustainability communication and reporting, placemaking and urban design. 

Siobhan is a Trustee of Sydney Living Museums, a Board Member of the Committee for Sydney and Deputy Chair of the Green Building Council of Australia. 

She trained in architecture and urban design.