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Humboldt-Universität zu Berlin

Your contact persons

Commissioner for the disabled students
Disability Advisory Service

Ms. Katrin Rettel, M. A., M.B.S., Commissioner


Humboldt-Universität zu Berlin
Counselling Center
Unter den Linden 6
10099 Berlin

Office: Unter den Linden 6, Student Service Center (barrier-free access).


Dr. Jochen O. Ley , Deputy Commissioner

Ms. Rike Braden, B.A., Assistant to the Commissioner

Office hours

Drop in hours (no appointment needed)

  • Tuesdays 1 p.m. to 3 p.m. on Campus Mitte, Student Service Center, Room 1053 B. Please announce yourself at the Information Desk.
  • Thursdays 2 p.m. to 4 p.m. (bi-weekly) on Campus Adlershof, Rudower Chaussee 25, Room 2'227.

By Phone (short information)

Wednesday 11 a.m. to 12 a.m. (appointments and brief information) +49 30 2093-70345