Hideki Uchiyama is an X-ray astronomer who graduated from Kyoto University with a B.S. in 2005, an M.S. in 2007, and a Ph.D. in 2010. He participated in the Suzaku (ASTRO-E2) and Hitomi (ASTRO-H) missions, and is currently working on the XRISM mission. His main research interest is the Milky Way Galaxy, especially the high-energy activity in its central region. He teaches at the Faculty of Education, Shizuoka University, and has recently been involved in science education using (small) satellites.