Alexander Grigorievich Ostrovskii (ORCID ID: 0000-0002-5906-0361. Scopus Author ID: 7006130192. Researcher ID: E-4315-2014), male, PhD, Leading Scientist and Head of Laboratory of Ocean Acoustics of Shirshov Institute of Oceanology, Russian Academy of Sciences. Education: M.Sc. Moscow State University (1979), Post-graduate, Moscow State University (1979–1982), Ph.D. Moscow State University (1983). Employment history: Shirshov Institute of Oceanology, Russia (1982–1990), Japan Society for the Promotion of Science, University of Tokyo, Japan (1990 to 1991), Research Institute for Applied Mechanics of Kyushu University, Japan (1991–1999), Japan Marine Science and Technology Center, Japan (1999–2001), Centre Mediterrani d'Investigacions Marines i Ambientals, Spain (2002 to 2003), Shirshov Institute of Oceanology, Russia (since 2003). Academic major was the technology of underwater moored profiles (crawlers, winch-driven, and buoyancy-driven). Co-founder of Aqualog Ltd. (Russia). Research interests are in the application of original profiler data for multidisciplinary oceanography of the European and Asian Seas, with a focus on the regional oceanography of the Black Sea and the Japan/East Sea. A participant of regular expeditions into the Black Sea since 2005, focusing on maintenance and upgrade of the Aqualog profiler moored observatory since 2011.