Ellen Witte is a Principal and Partner at SGS Economics and Planning and leads the Rental Affordability Index. A recognised voice on housing affordability and climate change, Ellen plays a leading role in SGS’s climate change adaptation, mitigation and risk work and contributes to national conversations on how policy and planning can deliver fairer, more sustainable outcomes. She is a regular media commentator and conference speaker and currently serves as a Director of Homes Tasmania.

Kishan Ratnam is a Senior Associate and Partner at SGS Economics and Planning, and research and analysis lead of the Rental Affordability Index. His expertise spans demand forecasting and gap analysis across sectors, including residential and employment land, retail, education, sporting facilities, and affordable housing. He has expertise in economics and mathematics and serves as a media commentator on rental affordability in Australia.

John Engeler joined Shelter NSW as CEO in early 2020, having been involved in the formation, development and operation of Social, Affordable & Specialist housing for most of his professional life. He has a Masters degree in Urban and Regional Planning, and has undertaken post-graduate legal studies. Having spent a number of years in the private, public and community sectors, he especially enjoys the opportunity to contribute to innovative housing responses, delivering solutions to those for whom the market falls short.

Dan McKenna is CEO of Housing All Australians, leading national efforts to unlock private-sector solutions to the housing crisis and turn goodwill into real homes for people in need. A former CEO of Nightingale Housing, he delivered award-winning, community-minded developments and continues to champion bold, practical reform to create a fairer, more sustainable housing system across Australia.