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Department of Natural Sciences

Office hours

Here you can find the office hours of the lecturers at the department in winter term 2025/26.

Dean Prof. Dr. Richard Jäger
room I210, appointments by arrangement per email, richard.jaeger@h-brs.de
 
Vice Dean Prof. Dr. Mandy Gieler-Großgarten
room I211, Thursday 9.30 – 10.30 a.m. by prior arrangement per email, mandy.gieler@h-brs.de



Prof. Dr. Mike Althaus
room E008, appointments by arrangement, mike.althaus@h-brs.de

Dipl.-Chem. (FH) Christopher Becher
room G222R, appointments by arrangement per email, christopher.becher@h-brs.de

Prof. Dr. Ulrike Bartz
appointments by arrangement per email, ulrike.bartz@h-brs.de

Jonas Bergrath
room K224.2, appointments by arrangement per email, jonas.bergrath@h-brs.de

Prof. Dr. Dietmar Breuer
appointments by arrangement per email, dietmar.breuer@h-brs.de

Prof. Dr. Sebastian Chmel
appointments by arrangement per email, sebastian.chmel@h-brs.de

Prof. Dr. Silke Draber
appointments by arrangement per email, silke.draber@h-brs.de

Prof. Dr.-Ing. Christian Dresbach
room I205, appointments by arrangement per email, christian.dresbach@h-brs.de

Prof. Dr. Ulrich Eßmann
room K202, Wednesday, 11.00 – 12.00 a.m. and by arrangement per email, ulrich.essmann@h-brs.de

Prof. Dr. Sebastian Franken
appointments by arrangement per email, sebastian.franken@h-brs.de

Prof. Dr. Margit Geißler
appointments by arrangement per email, margit.geissler@h-brs.de

LfbA Philipp C. Gillemot, M.Sc.
room I204, appointments by arrangement per email, philipp.gillemot@h-brs.de

Prof. Dr. Michael Heinzelmann
room I219, Tuesday, 14.15 – 15.00, please register in advance by email, michael.heinzelmann@h-brs.de

Prof. Dr. Harald Illges
appointments by arrangement per email, harald.illges@h.brs.de

Dr. Kai Jakoby
appointments by arrangement per email, kai.jakoby@h-brs.de

Prof. Dr. Peter Kaul
appointments by arrangement per email, peter.kaul@h-brs.de

Prof. Dr. Klaus Lehmann 
room StA H010, Tuesday, 14-15 pm (electronic registration possible via https://www.h-brs.de/de/studium-verantwortung) and by arrangement per email, klaus.lehmann@h-brs.de

Dipl.-Ing. (FH) Irina Marschall
room I224, appointments by arrangement per email, irina.marschall@h-brs.de

Prof. Dr. Annette Menke
appointments by arrangement per email, annette.menke@h-brs.de

Prof. Dr. Muscate-Magnussen
Office hours by appointment only via email, angelika.muscate-magnussen@h-brs.de

Prof. Dr. Christina Oligschleger
appointments by arrangement per email, christina.oligschleger@h-brs.de

Prof. Dr. Jürgen Pomp
appointments by arrangement per email, juergen.pomp@h-brs.de

Prof. Dr. Matthias Preller
room E004, appointments by arrangement per email, matthias.preller@h-brs.de

Dipl.-Ing. Dipl.-Wirt.-Ing. Tatjana Radowitz
appointments by arrangement per email, tatjana.radowitz@h-brs.de

Prof. Dr. Dieter Reinscheid
room K212, appointments by arrangement per email, dieter.reinscheid@h-brs.de

Dr. Ulf Ritgen
room I224, Thursdays 12:00 p.m. – 1:00 p.m. by prior arrangement and by appointment via email, ulf.ritgen@h-brs.de

Prof. Mirle Schemionek-Reinders
I223, nach Vereinbarung per email, mirle.schemionek@h-brs.de

Prof. Dr. Oskar Schnappauf
room E110, appointments by arrangement, oskar.schnappauf@h-brs.de

Prof. Dr. Margit Schulze
room K213, appointments by arrangement per email, margit.schulze@h-brs.de

Prof. Dr. Jörn Oliver Sass
room I218, appointments by arrangement per email, joern.oliver.sass@h-brs.de

Prof. Dr. Martin Sieber
room I220, appointments by arrangement per email, martin.sieber@h-brs.de

Prof. Dr. Johannes Steinhaus
room I 207, appointments by arrangement per email, johannes.steinhaus@h-brs.de

Dipl.-Ing. (FH) Antje Thielen
appointments by arrangement per email, antje.thielen@h-brs.de

Prof. Dr. Edda Tobiasch
room K102, Friday 9.00 – 10.00 Uhr and by arrangement per email, edda.tobiasch@h-brs.de

Prof. Dr. Christopher Volk
room K211, appointments by arrangement per email, christopher.volk@h-brs.de

Prof. Dr. Marc Williams
room I211, appointments by arrangement per email, marc.williams@h-brs.de

Prof. Dr. Steffen Witzleben
appointments by arrangement per email, steffen.witzleben@h-brs.de