He graduated Nizhny Novgorod Conservatory on the class of violinin (1978). Musical career was began as a teacher.
Among his students are laureates and diplomantes of Russian and international violin competitions: Diaghilev (1991), Wieniawski and Lipinski, First Youth Competition, Tchaikovsky (at the same competition Lerman was awarded a diploma for the best pedagogical work), International Competition Menuhin (1995) and Thibault (1996).
In 1988 he formed a chamber orchestra, known as the «Province» (from 2013 - Lerman Chamber Orchestra).
Igor Lerman is the author of numerous transcriptions and arrangements.