Daniel Ariztegui obtained his master in geology at the University of La Plata, Argentina. He joined the industry for a few years and further accomplished his doctoral degree at the ETH-Zürich in Switzerland. He was first appointed as Senior Research Scientist at the same institution in Zürich and moved to Geneva (Switzerland) in 2000 where he is presently professor in the Department of Earth Sciences of the University of Geneva. Ariztegui is a well-known expert in the fields of global change and limnogeology, a specialty in Earth sciences dealing with the study of the different physical, chemical and biological processes occurring in modern and ancient lakes. One of the focuses of his research group is the fast evolving field of geomicrobiology and microbial life in sediments of lakes and rivers. Daniel Ariztegui research activity is shown by a large number of scientific publications in international journals and participation in national and international congresses. He has been president of the Commission of Limnology and Oceanography of the Swiss Academy of Sciences (2002-2020), vice-president of the International Association of Limnogeology (IAL) and president of the International Association of Sedimentologists (IAS; 2018-2022). Ariztegui has actively collaborated in the editorial offices of several journals such as the Journal of Paleolimnology, Sedimentology and the Swiss Journal of Geosciences among others.