Prof. Andrei V. Adrianov (born January 2, 1964, USSR) is a Russian marine biologist and zoologist, a well-known specialist in the field of comparative morphology and taxonomy of invertebrates, marine biological diversity, Academician of the Russian Academy of Sciences. Vice-President of the Russian Academy of Sciences (since 2017), Scientific Advisor (President) of the A.V. Zhirmunsky National Scientific Center of Marine Biology FEB RAS, Chairman of the RAS Expert Council, Chairman of the RAS Committee on the UNEP (since 2018). Vice-President of the All-Russian Hydrobiological Society, laureate of the State Award of the Russian Federation in 2012 (for studies of marine biodiversity). Editor of the Russian Journal of Marine Biology. Author of papers and books on the formation of symmetry in some groups of invertebrates; on the development and evolution of the tentacular apparatus of sipunculids; on inventory and cataloging of marine biota of the Russian Far Eastern seas. He took part in works on the comprehensive study of the biological diversity of the Far Eastern seas of Russia, in particular in the work on the inventory and cataloging of marine biota in the Peter the Great Bay and the Sea of Japan in general. He proposed and applied methods of long-term monitoring of marine biodiversity in specially protected areas of the Far Eastern seas, including using uninhabited underwater vehicles. Specialist in the ecology of marine meiobenthos. Author and co-author of over 100 publications, including 5 monographs.