Johann Thoma
![Johann Thoma](https://www.thebigredguide.com/img/people/johann-thoma-300x300.jpg)
News mentions
Michael Biwer has been at the helm of the Guest Events division at Messe Frankfurt Venue GmbH since January 2020. In this function, he is responsible for some 280 guest fairs, congresses, conferences...
Michael Biwer has been at the helm of the Guest Events division at Messe Frankfurt Venue GmbH since January 2020. In this function, he is responsible for some 280 guest fairs, congresses, conferences...