Welcome

The 39th International A+A Congress will take place again in Düsseldorf from 4 to 7 November 2025.

If you have already created a user account, you can log in at any time using the login details you have specified in order to edit your personal data or your contribution. Editing is only possible by 30 June 2025.

Instructions Speaker Portal

We have provided you with a document that explains the steps and operation of the portal in detail. To the pdf document.