Sergei Sobyanin is a Russian politician who has served as the Mayor of Moscow since 2010. He was born on June 21, 1958, in Tumen, Russia. Before becoming mayor, Sobyanin held various government positions, including the Governor of Tyumen Oblast and the Chief of Staff for the Russian President. As mayor, Sobyanin has focused on urban development, infrastructure improvements, and public transportation enhancements in Moscow. His administration has implemented several projects aimed at modernizing the city, including the renovation of parks and the expansion of the metro system.