Senior researcher at alternative to Global Navigation Satellite System positioning, navigation and timing technologies, expert at performance based navigation, instructor of advanced avionics. eLearning and classroom support service concept developing.

Ivan Ostroumov has been a faculty of Air Navigation Systems Department of the National Aviation University of Ukraine since September 2007. He obtained his Ph.D. degree of Engineering in Navigation and Traffic Control in 2009 and Sc.D. in 2020 from National Aviation University of Ukraine. Since then, he has been a Senior research scientist and professor for National Aviation University. In 2016/2017 he has also served as navigation instructor at "Aviation Company Ukrainian Helicopters". In 2017/2018 has being a Fulbright scholar in the school of Aeronautics and Astronautics at Purdue. Also, he took part in several projects, including: Supporting SESAR on GNSS Vulnerability Assessment by performing Space Weather Analysis (Navigation department, EUROCONTROL, Brussel) and E-learning course development (Institute of Air Navigation Services, EUROCONTROL, Luxembourg) .

His research theme is advanced methods for Alternative Positioning, Navigation, and Timing. Current research projects include: Methods and Algorithms of positioning by multiple navigational aids, Availability and Accuracy estimation of navigation.