Sergey Ryzhikov is a Russian cosmonaut born on November 19, 1974, in Krasnodar, Russia. He graduated from the Krasnodar Higher Military Aviation School and later became a test pilot. Ryzhikov was selected as a cosmonaut in 2006 and has participated in multiple space missions. He flew on Expedition 63 to the International Space Station (ISS) in 2020, where he conducted scientific research and technology demonstrations. Ryzhikov has logged over 185 days in space, contributing to various international collaborations in space exploration and research.