Here are some contact persons during your studies for different issues:

Bafög: Prof. Dr. Herbert Koch
Studying abroad: Dr. Thoralf Räsch
Student advisory service (Bachelor-Master Office): Dr. Antje Kiesel
Practical Teaching Course: Dr. Michael Welter
Internships in industry: Carsten Rezny
Gender equality and diversity: Prof. Dr. Rumpf
Ombudspersons: Dr. Regula Krapf, Dr. Jack Davies

Awareness in the student council: Ludwig Monnerjahn, Sophia Piacenza (awareness (at) fsmath.uni-bonn.de)