Biogeochemistry and Climate Change
Gomez-Saez Lab
Our Team
Group photo after the expedition onboard RV Aurora (Aug 2025)
Dr. Gonzalo Gomez-Saez
Group Leader / PI
Gonzalo´s main research interest is the investigation of biogeochemical processes affecting organic matter, carbon and sulfur cycling in coastal and marine environments.
Marit Renken
PhD Student
Marit is working as a doctoral student on experimental geochemistry.
In her PhD, Marit investigates the cycling of dissolved organic matter in anoxic waters in the context of ocean deoxygenation and climate change.
Barbora Chylíkova
PhD Student
Barbora is working as a doctoral student on experimental geomicrobiology.
In her PhD, Barbora investigates the role and adaptation of microbial metabolisms under ocean deoxygenation and climate change.
Laurin Lidl
MSc Thesis Student
Laurin is working as a Master Thesis student in the group. In his Research Project and Master Thesis, Laurin investigates the microbial diversity and activities in a seasonally anoxic basin.
Alumni:​
David Velázquez (Visiting Researcher)
Katharina Muschler (Master Thesis)
Ömer Coskun (Postdoc)
Main collaborators:​​
William Orsi (LMU, München, Germany)
Thorsten Dittmar (ICBM-MPI, Oldenburg, Germany)
Timothy Ferdelman (MPI, Bremen, Germany)
David Velázquez (UAM, Madrid, Spain)
Ian Marshall (CEM, Aarhus, Denmark)
Kasper Kjeldsen (CEM, Aarhus, Denmark)
Bo Thamdrup (SDU, Odense, Denmark)
Sina Schorn (GU, Goteborg, Sweden)
Felix Elling (CAU, Kiel, Germany)
Helena Osterholz (IOW, Warnemünde, Germany)
Sinikka Lennartz (ICBM, Oldenburg, Germany)
Andreas Schramm (CEM, Aarhus, Denmark)
Sarah Bercovici (NOC, Southampton, UK)​​