Sergei Udaltsov
| Sergei Udaltsov | |
|---|---|
| Сергей Удальцов | |
| Udaltsov in 2018 | |
| Chairman of the Vanguard of Red Youth | |
| Assumed office 4 May 1999 | |
| Chairman of the Russian United Labour Front | |
| Assumed office 22 February 2010 | |
| Personal details | |
| Born | Sergei Stanislavovich Udaltsov 16 February 1977 Moscow, Russian SFSR, Soviet Union | 
| Political party | Russian United Labour Front Vanguard of Red Youth Left Front | 
| Spouse | Anastasia Udaltsova | 
| Children | Ivan (born 2002) Oleg (born 2005) | 
| Profession | Lawyer | 
Sergei Stanislavovich Udaltsov (Russian: Серге́й Станиславович Удальцов; born 16 February 1977) is a Russian left-wing political activist. He is the unofficial leader of the Vanguard of Red Youth (AKM). In 2011 and 2012, he helped lead a series of protests against Vladimir Putin. In 2014 he was sentenced to 4¹⁄₂ years in a penal camp for organizing the May 2012 protest which ended in violence between the police and demonstrators.