Benjamin Stefanski (born 17 April 1987), better known by his stage name Raffertie, is a British composer and producer, based in London, England. Recording for Ninja Tune between 2010–2013, he now records at Mercury KX and his own label, Super Recordings, which he has run since 2010. Beginning in 2014, Stefanski began to work on film and television scores under the same stage name.