Daan Speth

Dr. Daan Speth is a Senior Scientist at the Centre for Microbiology and Environmental Systems Science, University of Vienna. He specializes in microbial ecology and bioinformatics, focusing on nitrogen and carbon cycles in wastewater and marine environments.

• PhD from Radboud University (Netherlands)
• Postdoctoral research at Caltech (USA) and Max Planck Institute of Marine Microbiology (Germany)
• Since 2023: Researcher at University of Vienna

Dr. Speth’s research spans microbial community analysis via metagenomics, protein evolution in anaerobic microorganisms, and biogeochemical cycling of nitrogen/arsenic/methane. His work includes hydrothermal vent microbiomes, wastewater denitrification, and symbiotic nitrogen fixation in marine systems.

Recent publications highlight trends in anaerobic respiration, metagenomic resource development, hydrothermal vent diversity, methanotrophy evolution, and novel bacterial taxa in agricultural systems. Key themes include microbial interactions, environmental adaptation, and computational biology.

He currently collaborates with the DOME division at University of Vienna, applying sequence-based bioinformatics to global microbiome studies. His work integrates evolutionary and functional analysis of key protein families in anoxic environments.