Stephen Paul Manderson (born 27 November 1983), better known by his stage name Professor Green or simply Pro Green, is an English rapper, singer, songwriter, actor and television personality from London. He is the co-host of Lip Sync Battle UK on Channel 5.
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 on 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 on The SOS Band's "Just Be Good to Me".