Mark Hodgkinson is known for his compelling biographies of Roger Federer, Andy Murray and Serena Williams. A former Daily Telegraph tennis correspondent, he has ghostwritten columns for Boris Becker, Martina Navratilova, Bjorn Borg and Pete Sampras, and also collaborated on a book with boxer Lawrence Okolie and on a golf project with singer Robbie Williams. Mark worked on two fitness books with Daniel Craig, Tom Hiddleston and their trainer Simon Waterson, one of which became an Amazon bestseller. Additionally, he authored a bestselling book for Naomi Osaka's former coach, Sascha Bajin, and has collaborated with psychologist Charlie Unwin and former Marine Nick Goldsmith. Mark consults for international sports brands in Europe, the United States and Japan.