ICM 2026
International Congress of Mathematicians (ICM) 2026 in Philadelphia, USA | 23–30 July 2026
20th IMU General Assembly in New York City, USA | 20–21 July 2026
At its meeting in Helsinki, Finland, in July 2022, the 19th IMU General Assembly voted to accept the bid from the United States of America to host ICM 2026 and the 20th IMU General Assembly, with Philadelphia as venue for the ICM and New York City for the General Assembly.
ICM 2026 will be hosted at the Pennsylvania Convention Center in Philadelphia over 23–30 July 2026.
The 20th IMU General Assembly will convene at the Marriott Marquis Times Square over 20–21 July 2026.
The official website of the Congress is www.icm2026.org. The poster for ICM 2026 can be found here.
Further information regarding ICM 2026 will be made available in due course.
ICM Structure Committee for ICM 2026
The ICM Structure Committee is responsible for the structure of the scientific program of the ICM. In particular, it decides on the number of plenary lectures, the sections and their precise definition, the target number of talks in each section, as well as other kinds of lectures, and the arrangement of sections. The first ICM for which the ICM Structure Committee conducted its work was ICM 2022. The selection of the speakers remains with the Program Committee.
The ICM Structure Committee for ICM 2026 was constituted in late 2022 with Terence Tao continuing as Chair. It issued a report regarding the ICM 2026 scientific program in October 2023. In August 2025, Martin Hairer assumed the role of Chair, with Terence Tao continuing as a regular member-at-large.
Membership of the ICM Structure Committee for 2026 is now as follows:
Martin Hairer [Chair] chair@sc26.mathunion.org
Hiraku Nakajima [IMU President, ex officio]
Nalini Anantharaman
Annalisa Buffa
Weinan E
Irene Fonseca
Isabelle Gallagher
Mike Hopkins
Meena Mahajan
Terence Tao
Akshay Venkatesh
Anna Wienhard
Geordie Williamson
The ICM Structure Committee is encouraged to interact with the mathematical community worldwide.
Program Committee for ICM 2026
The IMU Executive Committee appointed the ICM 2026 Program Committee (PC) at its meeting in March 2023. The chair of the PC is appointed by the IMU President. The PC will decide all speakers at ICM 2026. With the exception of the chair, membership in the PC is not normally made public until the Opening Ceremony of the ICM. The reason for this secrecy has been to protect the members of the committee from personal or political pressure from outside. Invitations to lecture at the International Congresses carry such high prestige that individuals or groups have always made efforts to influence the decisions of the committee.
The roles the Program Committee and the Organizing Committee play are described in the PC/OC Guidelines.
Chair of the ICM 2026 Program Committee:
Claire Voisin
CNRS, Institut de Mathématiques de Jussieu-Paris Rive Gauche
chair@pc26.mathunion.org