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Ms. Liesbeth Casier


Sustainable Public Procurement Specialist



About my work

Liesbeth Casier is a Project Officer in IISD’s Economic Law and Policy program. Liesbeth is a Sustainable Public Procurement (SPP) specialist who has worked extensively on the research and implementation of SPP in Latin America, the Caribbean, Bhutan and South Africa. In her research she currently focuses on public procurement and innovation. She has served as an Environment and Trade Consultant with the United Nations Environment Programme (UNEP), where she focused on research at the intersection of international economic law, trade policy and the environment. This work resulted in the publication of the 3rd edition of the IISD-UNEP Trade & Green Economy Handbook. Liesbeth has a strong background in sustainable development from a legal and policy perspective.

Areas of expertise

Sectors of activity

Buildings and construction, Energy, Public Procurement


Africa, Asia / Pacific, Europe and Central Asia, Latin America / Caribbean, North America