![heide_gerhard_4_500.jpg](/sites/default/files/styles/max_325x325/public/2023-10/heide_gerhard_4_500.jpg?itok=IMVtFWkX)
Prof. Dr. Gerhard Heide
Director of the Geosciences Collections
Abraham-Gottlob-Werner-Bau, Brennhausgasse 14, Zi. 1.82
Brennhausgasse 14, 09596 Freiberg
Phone: +49 03731 39-2665
E-mail: Gerhard [dot] Heide [at] mineral [dot] tu-freiberg [dot] de
![massanek_500.jpg](/sites/default/files/styles/max_325x325/public/2023-10/massanek_500.jpg?itok=wIJKw92W)
Dipl.-Min. Andreas Massanek
Managing Director of the Geosciences Collections
Curator of the Mineralogical Collections
Scientific Assistant
Abraham-Gottlob-Werner-Bau, Room 1.64
Brennhausgasse 14, 09596 Freiberg
Phone: +49 03731 39-4650
E-mail: Andreas [dot] Massanek [at] geosamm [dot] tu-freiberg [dot] de
![Das Bild zeigt verschiedene Fossilien aus der paläontologischen Lehrsammlung.](/sites/default/files/styles/max_325x325/public/2023-11/Pal%C3%A4o-Lehrsammlung_klein_tubaf.jpg?itok=TlPZey4v)
Dr. Birgit Gaitzsch
Curator of the Palaeontological-Stratigraphical and Fuel Geological Collection
Scientific assistant
Alexander-von-Humboldt-Bau, Room
Bernhard-von-Cotta-Straße 2, 09596 Freiberg
Phone +49 3731 39-2198
E-mail: Birgit [dot] Gaitzsch [at] geosamm [dot] tu-freiberg [dot] de
![kehrer_christin_500.jpg](/sites/default/files/styles/max_325x325/public/2023-10/kehrer_christin_500.jpg?itok=JDcMIYrs)
Dr. Christin Kehrer
Curator of the Ore Deposit- and Petrological Collection
Scientific assistant
Abraham-Gottlob-Werner-Bau, Zi. 1.71
Brennhausgasse 14, 09596 Freiberg
Phone: +49 03731 39-2264
E-mail: Christin [dot] Kehrer [at] geosamm [dot] tu-freiberg [dot] de
![gebelein_michael_500.jpg](/sites/default/files/styles/max_325x325/public/2023-10/gebelein_michael_500.jpg?itok=ty4ZcbrU)
M.Sc. Michael Gäbelein
Scientific assistant
Abraham-Gottlob-Werner-Bau, Room 1.64
Brennhausgasse 14, 09596 Freiberg
Telephone +49 3731 39-4650
E-mail: Michael [dot] Gaebelein [at] geosamm [dot] tu-freiberg [dot] de
![Abraham-Gottlob-Werner-Bau in der Rückansicht](/sites/default/files/styles/max_325x325/public/2023-12/Abraham-Gottlob-Werner-Bau%20Mineralogie%202.jpg?itok=IY3MT-s3)
M.Sc. Maximilian Mrozik
Scientific assistant, funded by the Krüger Foundation
Abraham-Gottlob-Werner-Bau, Room 1.64a
Brennhausgasse 14, 09596 Freiberg
Phone: +49 3731 39-2122
Email: Maximilian Mrozik [at] geosamm [dot] tu-freiberg [dot] de
![Abraham-Gottlob-Werner-Bau in der Rückansicht](/sites/default/files/styles/max_325x325/public/2023-12/Abraham-Gottlob-Werner-Bau%20Mineralogie%202.jpg?itok=IY3MT-s3)
Daniel Hamann
Technical employee
Petrological and Deposit Collection
Brennhausgasse 5, Room OG.106, 09596 Freiberg
Phone: +49 3731 39-3522
E-mail: Daniel [dot] Hamann [at] geosamm [dot] tu-freiberg [dot] de
![Abraham-Gottlob-Werner-Bau in der Rückansicht](/sites/default/files/styles/max_325x325/public/2023-12/Abraham-Gottlob-Werner-Bau%20Mineralogie%202.jpg?itok=IY3MT-s3)
Dipl.-Ing. (FH) Katrin Treptow
Technical employee
Assistant to the Managing Director of the Geosciences Collections, REM/ EDX, Visitor Support
Abraham-Gottlob-Werner-Bau, Room 1.64
Brennhausgasse 14, 09596 Freiberg
Phone: +49 3731 39-2839
E-mail: Katrin [dot] Treptow [at] geosamm [dot] tu-freiberg [dot] de
![Abraham-Gottlob-Werner-Bau in der Rückansicht](/sites/default/files/styles/max_325x325/public/2023-12/Abraham-Gottlob-Werner-Bau%20Mineralogie%202.jpg?itok=IY3MT-s3)
Steffi Ungar
Technical employee
Mineralogical Collections
Brennhausgasse 5, Room OG.106
09596 Freiberg
Telephone +49 3731 39-2667
Steffi [dot] Ungar [at] geosamm [dot] tu-freiberg [dot] de