The IUCr Executive Committee is led by President Thomas Proffen, supported by Vice-President Manfred Weiss and General Secretary and Treasurer Petra Bombicz. Santiago García-Granda serves as Immediate Past President. The remaining members of the Executive Committee, listed alphabetically by surname, are Susan Bourne, Charlie Bond, Louise Dawe, Atsushi Nakagawa and Maria Cristina Nonato.
Thomas Proffen will take over from Santiago García Granda as the next IUCr President as elected at the 27th Congress and General Assembly. He will serve as President from 2026 to 2029.
Jon Agirre, current Section editor of Structural Biology, Acta Cryst. D, has been unanimously voted in at the 27th IUCr Congress and General Assembly on 16th August 2026. He will take over from Andrew Allen in January 2027.
It is with great sadness that the American Crystallographic Association (ACA) shares the passing of longtime ACA member Dr. Ian David Brown, who died peacefully on June 29, 2026, at the age of 94.
