Sergei Riabtchenko received a Bachelors degree from Pushkin Music College in Russia, where he was the Grand Prix winner of the Moscow Young Musicians Festival. He received his Masters from the Moscow Conservatory of Music with a degree in cello performance and teaching, and a minor in composition. Sergei performed with the Moscow Symphony Orchestra until 1990. Upon moving to the United States, Mr. Riabtchenko taught for three years at San Francisco State University and currently performs with the Russian Chamber Orchestra and the Arlekin String Quartet. Currently Mr. Riabtchenko conducts and composes music for two choirs for the Russian Orthodox church of San Francisco. He began teaching at San Domenico in summer 2000.