Celine started her career very young, working with migrant families living on the streets of Mumbai, through her NGO, Society for the Promotion of Area Resource Centers (SPARC). She continues to bridge the gap between the formal and the informal city on issues of affordable housing and basic-services for informal settlement dwellers
As a founding member of Slum Dwellers International in 1996, Celine continued to invest in building the capacities urban poor federations and the movement in over 60 cities in Africa, Asia and with communities in Latin America.
In 2003-04, Celine was chosen to the Yale World Fellows Program, Yale University, USA and in In 2009-2010 Celine was seconded to work with the Cities Alliance at the World Bank in Washington DC.
Celine also supports the UN habitat Public Space Agenda and Vice President of the Block by Block Foundation which uses Minecraft as a participatory methodology for designing and build- ing local spaces for vulnerable communities in cities.
Celine presently is a visiting researcher at the International Centre for Climate Change and Development (ICCCAD) where she works on locally led climate change adaptation, building on the adaptive capacities of organized communities and their contribution to city development.