M&C Saatchi Merlin has announced the signing of Dame Katherine Grainger, Britain's most decorated female Olympian.

Recently winning silver in Rio to add to her four Olympic medals, Grainger also has significant academic accolades including a Master's degree and a PHD in Law. Chairman Richard Thompson commented 'Katherine is an iconic sportsperson with huge credibility. We are looking forward to working with her for the next, and I'm sure exciting, stage in her career'. Grainger joins a roster of broadcasters including Sue Barker, Andrew 'Freddie' Flintoff, Karren Brady and Denise Lewis.