Maddi is a Darug woman living on Woi Wurrung Wurundjeri lands. She is an archaeologist and participant in the 2020 Signal Boost program at the Wheeler Centre. Maddi advocates for Indigenous voices in cultural heritage protection through her positions on the reconciliation working groups at the National Trust (Vic) and ICOMOS Australia. She is the co-chair of the Indigenous Advisory Group to the Clean Air and Urban Landscapes Hub of the National Environmental Science Program. In 2019 she was the inaugural Indigenous member of Australia’s delegation to the UNESCO World Heritage meeting in Baku, Azerbaijan.