Sophie is an economist specialised in infrastructure. She works mostly on issues of financing, institutional and regulatory reforms and private sector participation in the water and sanitation sectors. She is a Senior Economist in the Global Water Practice at the World Bank, providing support to lending operations in the water sector and leading on knowledge development in areas such as urban sanitation and performance management.

Sophie holds an MA in Economics and Business from Sciences-Po (Paris) and an MIA in Economic and Political development from Columbia University (New York). After graduating, she started her career as a consultant at NERA, an economic consultancy and ERM, an environmental consultancy. From 2004 to early 2016, Sophie was the Director of Trémolet Consulting, a consulting practice focusing on delivering high-level advice on the design of optimal water sector reform strategies and financing mechanisms. Clients included donor agencies, governments, public and private service providers, foundations and non-governmental organisations. She also was the Chair of the Global Sanitation Fund Advisory Committee from its establishment in 2008 to 2015 and a SHARE consortium (www.shareresearch.org) research associate. Sophie is a frequent speaker in international conferences and teaches in a number of reputable universities. She has published numerous reports, books and articles on subjects ranging for infrastructure regulation to financing on-site sanitation.