born in 1950, he studied History in Moscow, for which he was conferred a doctorate. In 1991 he founded the publishing house Rosspen (Rossijskaja politicheskaja entsiklopedija; tr: Russian political encyclopedia). In 2008 he brought his project »History of Stalinism« to life, a collection of 100 volumes of relevant publications. He is a member of the Academic Council of the Federal Service of Russia and the Russian State Archive of Recent History. He received several awards for his publications. Sorokin lives in Moscow.