Alexander Serebrov is a Russian cosmonaut born on August 24, 1963. He is known for his work with the Russian space program and has participated in several space missions, including long-duration stays aboard the Mir space station and the International Space Station (ISS). Serebrov has a background in engineering and has contributed to various scientific experiments in space. Throughout his career, Serebrov has completed multiple spacewalks, showcasing his skills in extravehicular activities. He has logged over 500 days in space, making him one of the experienced astronauts in the field. His contributions have helped advance our understanding of living and working in space.