Achim Steiner

Achim Steiner
9th Administrator of the
United Nations Development Programme
In office
19 April 2017 – 15 June 2025
Secretary-GeneralAntónio Guterres
Preceded byHelen Clark
Personal details
Born17 May 1961 (1961-05-17) (age 64)
Alma materWorcester College, Oxford (BA Hons)
SOAS University of London (M.A.)
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Achim Steiner (born 17 May 1961) is a Senior Fellow of the Oxford Martin School at the University of Oxford. He also serves as Chair of the Hamburg Sustainability Conference. A Brazilian-German National, he completed his two terms as UN Under-Secretary General and Administrator of the United Nations Development Programme (2017–2025) and vice-chair of United Nations Sustainable Development Group in June 2025.

Before joining UNDP, he was Executive Director of the United Nations Environment Programme UNEP (2006–2016), and Director/Professorial Fellow of the Oxford Martin School (2016–2017). He has also served as Director General of the International Union for Conservation of Nature (IUCN) and Secretary General of the World Commission on Dams.