Dr Bronwyn (Bron) Hanna is an architectural historian who has worked for both government and industry helping develop heritage assessments for places such as the Hyde Park Barracks, the ANZAC Memorial in Hyde Park and the Aboriginal Fish Traps in Brewarrina. She was project manager for the successful World Heritage Nomination for the Sydney Opera House in 2005. She published widely while writing three research theses on the Australian built environment for her PhD, Master's and Bachelor's Honours degrees and is the co-author of two award-winning books about women architects in Australia. She taught art history at the University of Sydney for four years, specialising in Australian art and international modernism. Bron is interested in the politics and practice of heritage (or “preservation” as it is known in the USA) and she recently undertook an oral history project interviewing 23 pioneering heritage practitioners for the Australian National Library. In researching her own family history she was surprised to discover that she is sixth and seventh generation Australian on every front, and has five convict ancestors. She has lived most of her life in Sydney except for 12 months spent as a high school exchange student in California.

Patricia is a member of the Professional Historians Association (NSW) with an MA in Public History. Her particular expertise is the early colonial and convict history of Australia, especially that of New South Wales and the Sydney region. She has worked on the assessment of heritage sites for listing on the State Heritage Register—the highest level of heritage recognition and protection in NSW and now works as a professional historian, heritage consultant and guide. Through her work in public history (the production of history for broader audiences), and as a keen traveller herself, she’s excited about telling to other travellers the stories of the settlement of NSW and life in the colony.

Mark is a historian with 20 years work experience in Sydney's history, heritage and archaeology. He has completed a Masters in Applied History and a PhD in the history of colonial race and class relations in the NSW convict colony. He is the Chair of the Professional Historians Association, a member of the NSW Heritage Council and previous President of the History Council of NSW. Until recently he hosted a regular history segment on radio Fbi 94.5 in Sydney (https://scratchingsydneyssurface.wordpress.com/) and has acted as a consultant for the family history television program Who Do you Think You Are? Australia.