Stephen Paul Manderson (born 27 November 1983), better known by his stage name Professor Green, is a British rapper and singer-songwriter. He was signed to The Beats, a record label run by Mike Skinner and Ted Mayhem, until 12 February 2008, when the label terminated. He rose to success upon winning the inaugural JumpOff MySpace £50,000 battle rap tournament in July 2008. Following this in 2009, Professor Green worked with Lily Allen on her 2009 concert tour.
In 2006 he released his first mixtape, Lecture #1. After his first record label, The Beats, went under he produced on his own an EP called The Green EP. After he toured with Lily Allen he was signed to Virgin Records and released "I Need You Tonight" featuring Ed Drewett, based around INXS's "Need You Tonight" through the label. He also joined up with Allen on his second single "Just Be Good to Green", which is based around The SOS Band's "Just Be Good to Me".
In July 2010, Professor Green released his debut album, Alive Till I'm Dead, which features guest vocals from Lily Allen, Emeli Sandé, Fink, Labrinth and Example, as well as The Streets. He followed this with the album At Your Inconvenience in October 2011.