Born in Riga in 1951, he began playing the piano at the age of five and the cello at the age of eight. Graduated from the Leningrad Conservatoire (1975) and postgraduate courses in the class of Prof. A. Nikitin.
Being a student joined the Leningrad Philharmonic Orchestra conducted by Yevgeny Mravinsky. In 1984 he became the principal solo cellist in the Kirov Opera Theatre Orchestra. Laureate of the Prague Spring International Cello Competition (1980). He is associate professor of the St.Petersburg State Conservatoire. In 2002 he held a high post of rector.
Sergei Roldugin performed in Russia, Germany, Switzerland, Finland, Italy, Great Britain, Scotland, Norway, Czech Republic, Slovakia. He played as a soloist with such conductors as A.Yanssons, M. Yanssons, S. Sondeckis, J. Domarkas, A. Lazarev, V. Gergiev, M. Brabbins, G. Rinkjavichus.
He has a lot of records released for Russian radio, television and the Melodiya label.
S. Roldugin is a member of juries of several national and international competitions. Regularly gives international master classes in Germany, Finland and Russia.