Casey Stoner is a retired Australian professional motorcycle racer, and a two-time MotoGP World Champion, in 2007 and 2011.
Matthew Roberts is a sports journalist and television presenter with thirteen years of experience in the MotoGP paddock. Host of the BBC's live coverage of the series, he has also co-hosted the Super Bowl live coverage and reported for the BBC's football programmes, as well as presenting coverage of the famous Isle of Man TT (Tourist Trophy) race for ITV. From 2001 to 2005 he became the recognised voice of MotoGP around the world thanks to his role as lead commentator on the live world feed, which was broadcast on networks around the world, including Fox Sports in Australia. A talented writer, he has also filed colour features on Spanish football for The Times newspaper and provides regular blogs and features for the BBC website, as well as a variety of other international print and online publications.