Who is Oleg Alexeyev as a Russian singer?

Oleg Alexeyev (born July 6, 1966) is a Russian singer, composer, and actor. Best known in Russia and throughout the former Soviet Union for writing many hit songs for fellow musicians. He also became an international pop-chart artist with his own single hits as well as being the original Russian-language vocalist from 1999-2003 for Ace of Base.

With an extensive musical career since the late 80s, Alexeyev had written over 30 pop and rock music hits on various Russian charts by collaborating with the most famous singers across Russia; most successfully with Philip Kirkorov and Valery Leontiev.