Kaminsky was born in Chelyabinsk, Russia. In 1997, at the age of 14, he had arrived in Israel. He finished M.Mus in composition at the Jerusalem Academy of music and now work as a certified music teacher. For three years he was singing in the Chamber Choir of the academy. His instrument is piano.
Kaminsky’s arrangement has been performed by Simfonietta of Beersheba. He also judged in the Golden Keys piano competition. A year later his students won a medal there.
He writes poetry and wrote a libretto to an opera by Nissim Khalifa in Hebrew, English and Russian.