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Executive Committee elected at Twenty-Seventh General Assembly, 2026, Calgary, Canada
The Executive Committee is the IUCr’s governing body between meetings of the General Assembly. It carries out the decisions of the General Assembly, implements the Union’s agreed policies and oversees the IUCr’s strategy, activities and finances. The Executive Committee is accountable to the General Assembly and operates in accordance with the IUCr’s Statutes and By-Laws.
President
- T. Proffen, Neutron Scattering Science Division, Oak Ridge National Laboratory, United States of America
Vice-President
- M. Weiss, Macromolecular Crystallography (HZB-MX), Helmholtz-Zentrum Berlin, Germany
General Secretary and Treasurer
- Petra Bombicz, Research Centre for Natural Sciences, Hungary
Immediate Past President
- S. Garcia-Granda, Faculty of Chemistry, Universidad de Oviedo, Spain
Members
- Charlie Bond, The University of Western Australia, Perth, Australia
- S. Bourne, Department of Chemistry, University of Cape Town, South Africa
- Louise Dawe, Department of Chemistry and Biochemistry, Wilfrid Laurier University, Waterloo, Canada
- A. Guerri, Department of Chemistry "Ugo Schiff", University of Florence, Italy
- A. Nakagawa, Institute for Protein Research, Osaka University, Japan
- M.C. Nonato, Department of Biological Sciences, University of São Paulo, Brazil

The Executive Committee as elected in 2023 (missing Manfred Weiss).
Annual Report
Triennial reports were discontinued following the 2020/2021 Congress in order to reduce duplication of effort. Annual reports remain available.