Sergei Vasilievich Rozanov was a Russian clarinetist and teacher, considered to be the founder of modern Russian clarinet school. Rozanov began his career as an orchestral musician in different opera theatres of Moscow. He became the solo clarinet. Rozanov also performed frequently as a soloist and chamber musician, he was the first Russian clarinetist to play the quintets of Wolfgang Amadeus Mozart and Johannes Brahms, and also the Trio pathetique by Mikhail Glinka. He was a member of Persimfans.