The following UK crystallographers hold positions on the commitees, commissions or executive of the International Union of Crystallography (IUCr):

For a complete description of the commissions, please refer to the IUCr statement on commissions. Commission members (not including consultants) may only serve for six years in a given post.

Editors and Co-editors of Acta Crystallographica Section A D. Keen

Editors and Co-editors of Acta Crystallographica Section B S. Parsons, C. C. Wilson

Editors and Co-editors of Acta Crystallographica Section C A. J. Blake (deputy editor), M. R. J. Elsegood, G. Ferguson, A. R. Kennedy, A. L. Thompson, D. S. Yufit

Editors and Co-editors of Acta Crystallographica Section D E. F. Garman, W. N. Hunter, A. M. Brzozowski, G. J. Kleywegt, N. Chayen

Editors and Co-editors of Acta Crystallographica Section E W. T. A. Harrison, L. Farrugia, G. M. Rosair, D. G. Watson

Editors and Co-editors of Acta Crystallographica Section F W. N. Hunter, G. J. Kleywegt, A. M. Brzozowski

Editors and Co-editors of Journal of Applied Crystallography W. I. F. David, E. Dodson, P. F. Fewster, E. F. Garman, J. R. Helliwell

Editors and Co-editors of Journal of Synchrotron Radiation S. S. Hasnain

Executive committee and finance sub-committee Professor C.J. Gilmore

Sub-committee on the Union Calendar R.O. Gould

Committee on Crystallographic Databases C. Groom, K. Henrick, B. McMahon (ex officio as IUCr Representative to CODATA)

Committee on Electronic Publishing, Dissemination and Storage of Information B. McMahon, S. Parsons, P.R. Strickland

Committee for the Maintenance of the CIF Standard (COMCIFS) B. McMahon

IUCr/Oxford University Press (OUP) Book Series Selection Committee J.R. Helliwell

Commission on Aperiodic Crystals U. Grimm

Commission on Biological Macromolecules E. Garman (Consultant)

Commission on Quantum Crysatllography M.J. Cooper (Consultant)

Commission on Crystal Growth and Characterization of Materials G. Balakrishnan (Consultant)

Commission on Crystallographic Computing Consultants: H.R. Powell, R. I. Cooper, G. Shields

Commission on Crystallographic Nomenclature A. J. Blake, C. R. A. Catlow, C. J. Gilmore, W.T.A. Harrison, S. S. Hasnain, J. R. Helliwell, W. N. Hunter, B. McMahon, R. J. Read. A. M. Glazer (Consultant).

Commission on Crystallographic Teaching Consultant: A. J. Blake

Commission on Electron Crystallography E. Orlova. Consultants: S. Haigh, A. Kirkland.

Commission on High Pressure Consultants: J.S. Loveday, R. Nelmes

Commission on Inorganic and Mineral Structures M. Welch

Commission on International Tables C. J. Gilmore (Editor of Volume H) B. McMahon (Editor of Volume G)

Commission on Magnetic Structures A. Wills

Commission on Neutron Scattering P. Radaelli

Commission on NMR Crystallography and Related Methods Y. Khimyak (Consultant)

Commission on Powder Diffraction I. Evans

Commission on Structural Chemistry P. Wood (Consultant)

Commission on XAFS S. Diaz-Moreno Consultant: R. Strange