Alexander Pastukh has over 15 years of experience in the telecommunication industry and spectrum engineering. He has worked in Geyser-Telecom, Samsung Electronics, St. Petersburg Institute of Telecommunications, and Radio Research and Development Institute. Since 2012 Alexander has actively participated in the ITU-R working parties, in particular WP 5D and WP 1A, where he contributed much to developing LTE and 5G technologies. He also has over ten years of experience coordinating satellite services in ITU-R, where he filed and defended frequency assignments of several Russian satellite systems, including Glonass and Gonets. Alexander participated in joint projects with the world’s leaders in the satellite industry, such as Inmarsat and Iridium. In CEPT, he had extensive experience participating in the SE43 group, developing sharing conditions for cognitive radio technologies operating in white spaces. At a national level, he has produced several methodologies of compatibility studies between 5G and satellite services that the Russian spectrum regulators adopted. He has many publications related to sharing studies of 5G systems with other services. Alexander’s central areas of interest are LTE, 5G, 6G technologies, satellite communication technologies, and short-range device technologies.