Alumni

Alumni

Former PhD students and members of the Organic Geochemistry research group

Information on the whereabouts of former working group members is updated to the best of our knowledge, but is not necessarily current.

Dr Tanja Badewien
INTERLABOR BELP AG, Switzerland
Dr Lukas Belz
Central Institute for Occupational Medicine and Maritime Medicine (ZfAM), Hamburg
Dr Peter Brocks
Oldenburgisch-Ostfriesischer Wasserverband, Brake
Dr Dirk Brouwer
Thermo Fisher Scientific, Haina (monastery)
Dr Stefan Bruns
Lower Saxony State Office for Consumer Protection and Food Safety (LAVES), Oldenburg
Dr Nevenka Cakić
LTS Lohmann Therapie-Systeme AG, Andernach
Dr Jörg Fichtel
Waters GmbH, Eschborn
Dr Marten Fischer
Federal Maritime and Hydrographic Agency (BSH), Hamburg
Dr Elke Freese-Willms
MSD Sharp & Dohme GmbH, Friesoythe
Dr Sven Gebhardt
Lower Saxony State Health Office, Aurich branch office
Dr Isabel Goßmann
Urban Pollution Research Group, Aalborg University, Denmark
Dr Ute Güntner
in New Zealand
Dr Maurits Halbach
Helmholtz Institute for Functional Marine Biodiversity, Oldenburg
Dr Simone Heyen
Lower Saxony Water Management, Coastal Defence and Nature Conservation Agency (NLWKN), Brake
Prof. Dr Kai-Uwe Hinrichs
Head of the Organic Geochemistry working group, MARUM, Univ. Bremen
Dr Rene Jarling
Johann Heinrich von Thünen Institute of Forest Genetics, Waldsieversdorf
Fungi expert at the Brandenburg State Association (BLP), Berlin
ORR Björn Klein
Federal Office of Defence Technology and Procurement, Wehrwissenschaftliches Institut für Schutztechnologien - ABC-Schutz (WIS), Munster
Dr Angelika Klugkist
Kooperative Gesamtschule Hage-Norden
Dr Claus Köller
Management consultancy Triestram und Partner GmbH, Bochum
Dr Jürgen Köster
Retired
Dr Sarah Kohls
State of Lower Saxony, Hanover
Dr Jörn Logemann
Institute for Hygiene and Environment, Hamburg
Dr Kai Mangelsdorf
German Research Centre for Geosciences, Section 4.3, Organic Geochemistry, Potsdam
Dr Jochen Maurer
in New Zealand
Dr Nico Mitschke
ICBM, Marine Geochemistry Group, University of Oldenburg
Dr Thomas Möhring
Global Director Hardware Platform Management at Thermo Fisher Scientific, Bremen
Dr Sascha Norden
ExxonMobil Chemicals, Polyolefins Product Technology, Brussels, Belgium
Dr Anke Putschew
Technical University of Berlin, Institute for Technical Environmental Protection, Berlin
Dr Verena Reineke
Gymnasium Westerstede
Dr Joachim Rinna
AkerBP ASA, Trondheim, Norway
Dr Doris Rohjans
Aurelia-Wald-Gesamtschule, Uetze, Germany
Dr Florian Rommerskirchen
Lower Saxony State Office for Consumer Protection and Food Safety (LAVES), Oldenburg
Prof Dr Jürgen Rullköttter
(retired) in Oldenburg
Dr Heike Rütters
Federal Institute for Geosciences and Natural Resources, Hanover
Dr Nimer Safi
Saudi Aramco, Ras Tanura, Saudi Arabia
Dr Ann-Kathrin Scherf
Lüneburg, formerly German Research Centre for Geosciences, Potsdam
Dr Sonja Schulte
Editor-in-Chief Science and Technology, Vincentz Network, Hanover
Dr Michael Seidel
Research associate at the ICBM, Marine Geochemistry Group, University of Oldenburg
Dipl.-Chem. Marieke Sieverding
Technical Laboratory Manager, Christian-Albrechts-Universität zu Kiel, Institute of Geosciences, Geochemistry
Dr Jan-Hendrik van der Smissen
Airbus Operations GmbH, Hamburg
Thorsten Stiehl, graduate environmental scientist
Lower Saxony State Office for Consumer Protection and Food Safety (LAVES), Oldenburg
Susan Ulses (formerly Baumgart)
Graf-Anton-Günther-Schule, Oldenburg
Dr Angela Vogts
Laboratory Manager NanoSIMS Laboratory at the Leibniz Institute for Baltic Sea Research, Warnemünde
Dr Wang Shuangqing
National Research Center for Geoanalysis (CAGS), Beijing, China
Charlotte Versteeghen
retired, Oldenburg
Dr Claudia Wenzel
Lower Saxony State Office for Consumer Protection and Food Safety (LAVES), Oldenburg
Dr Ralf Wöstmann
Industry & Clusters Officer at the Senator for Economics, Labour and Europe, Bremen
(Changed: 24 Jun 2026)  Kurz-URL:Shortlink: https://uol.de/p28324en
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