Prof. Jaak Truu is a professor of environmental microbiology at the University of Tartu, Estonia. His research focuses on microbial ecology, environmental genomics, metagenomics, and the application of bioinformatics and machine learning in environmental microbiology. He has extensive experience in studying microbial communities involved in biogeochemical processes, pollution remediation, and ecosystem functioning in terrestrial and aquatic environments. Prof. Truu has contributed to numerous international research projects and scientific publications related to microbial diversity, sustainable environmental technologies, and data-driven approaches for analysing complex microbial systems. In addition to his research activities, he teaches courses in general microbiology, applied microbiology, and environmental genomics.