IMU Secretariat: People
| Name | Phone | Role | |
| Prof. Dr. Christoph Sorger | +49 30 20372-431 | secretary@mathunion.org | IMU Secretary General |
| Prof. Dr. Dietmar Hömberg | +49 30 20372-563 | office.head@mathunion.org | Head IMU Secretariat |
| Scott Jung | +49 30 20372-430 | manager@mathunion.org | Deputy Manager of the IMU Secretariat |
| Lena Koch | +49 30 20372-432 | cdc.administrator@mathunion.org | ICMI und CDC |
| Mariusz Szmerlo | +49 30 20372-436 | accountant@mathunion.org | Accountant |
| Birgit Seeliger | +49 30 20372-437 | archivist@mathunion.org | Archivist |
| Frank Klöppel | +49 30 20372-590 | technician@mathunion.org | IMU IT Administrator |
| Vanessa Chung | +49 30 20372-433 | assistant@mathunion.org | Project Assistant |
Contact IMU Secretariat
International Mathematical Union
Secretariat
Hausvogteiplatz 11A, 10117 Berlin, Germany
E-mail: office@mathunion.org
Fax: +49 30 20372-439