Prof. Alexey Borisovich Ptitsyn (1941) is a Russian geochemist. He obtained his education at Novosibirsk State University (1959-64) and conducted research in experimental mineralogy at the Institute of Geology and Geophysics, at the USSR (now Russian) Academy of Sciences (1964-98). He is Professor of geochemistry and environmental chemistry, Novosibirsk State University (1995-pres.) and Zabaykalsk State Pedagogical University (1998-2013). Alexey is Director of the Chita Institute of Natural Resources (1998-2014) and Principal researcher at the Institute of Natural Resources, Ecology and Cryology, Siberian Branch of the Russian Academy of Sciences (2014-pres.). He is member of the International Academy of Ecology and Life Protection Sciences (since 2001), International Academy of Mineral Resources (since 2002).
Publications include: Tutorial in Geochemistry: Introduction to Geoecology (2012); Geochemistry of the Biosphere (2013); and a monograph on Theoretical Geochemistry (2006).
Fields of interest: Geochemistry, ecology, cryology, biogeochemistry, origin and evolution of the biosphere, ecological sustainability, ecosystem dynamics.