Graduated from Moscow State University, Mechanical-Mathematical Faculty. Ph.D. (Physical-Mathematical Sciences), 1975. Thesis 'Mechanical-Mathematical Modelling of the Lithosphere Geodynamics”. Leading Scientist, Head of International Projects Department of Sergeev Institute of Environmental Geoscience, Russian Academy of Sciences. Scientific research fields: Mechanical-mathematical modelling in geology, geothermal investigations, computer modelling, geothermal energy use, paleoclimate changes and reconstruction, sustainable development, environmental problems decision, natural hazards, landslides, risk analysis. More than 400 scientific publications. Results of research were presented at more than 100 International Scientific Conferences and Congresses in more than 50 countries. Member of International and Scientific Organizations: International Geothermal Association (IGA). IGA Board of Directors . President of Geothermal Energy Society (GES) of Russia. Associate Member of the International Informatization Academy. IAMG (International Association for Mathematical Geosciences). Scientific Secretary of Geothermal Council of Russia, Russian Academy of Sciences. ICL (International Consortium on Landslides). ICL BoR (International Consortium on Landslides, Board of Representatives). International Best Paper Award 'PRESSZVANIE”, nomination 'Clean Energy”, 2015.