Biathlete who won a gold medal at the 2014 Olympics in the 4x7.5 km relay.
He made his Olympic debut in 2010, as a 22-year old, and won a bronze medal.
He has won numerous medals at the World Championships.
His sister is Anastasiya Kuzmina, an Olympic champion.
He was one of Russia's gold medalists at the 2014 Olympics, a group that includes ice skater Evgeni Plushenko.