Liesbeth Casier

Senior Policy Advisor

Liesbeth Casier is a Senior Policy Advisor with IISD’s Economic Law and Policy Program. She works with the Public Procurement and Infrastructure Finance team on research and advisory services that involve innovation in public procurement. She also works on IISD’s Sustainable Asset Valuation. Liesbeth has advised governments in Bhutan, Canada, Colombia, the Dominican Republic, India, Morocco, Paraguay, Senegal, South Africa and the Netherlands.

Liesbeth also works extensively with the European Commission, the Inter-American Development Bank, the World Bank and the Organisation for Economic Co-operation and Development (OECD) on policy frameworks and the business case for sustainable infrastructure. She represents IISD at the OECD Working Group on Leading Practitioners on Public Procurement.

Liesbeth previously worked with UN Environment and started her career as consultant in auditing and corporate finance with a family-owned consultancy business in Belgium.

Liesbeth has an academic background in political science and law. She holds a master’s degree in development studies from the Graduate Institute of International and Development Studies (Geneva, Switzerland). She also has master’s degrees in complementary studies in business economics and in political science, both from the University of Ghent (Belgium), a bachelor of political science from the University of Antwerp (Belgium), and a bachelor of laws from the University of London (United Kingdom).

Liesbeth works in Dutch, English, French, and Spanish.

Contact details

Additional information

Areas of expertise
Public Procurement
Governance and Multilateral Agreements
Green Economy Strategies
International Economic Governance
Staff type
Bachelor of Laws, University of London (United Kingdom), 2019
Master of Development Studies, Graduate Institute of International and Development Studies (Switzerland), 2013
Master of Complementary Studies in Business Economics, University of Ghent (Belgium), 2010
Master of Political Science, University of Ghent (Belgium), 2009
Bachelor of Political Science, University of Antwerp (Belgium), 2008
Languages spoken
Dutch, English, French, Spanish