Lesley is a Scottish world champion triathlete, author, and Oscar and BAFTA winning screenwriter and film producer.
As a triathlete, she won the 2011, 2012 and 2018 XTERRA Triathlon World Championships as well as the 2012 and 2018 editions of the World Triathlon Cross Championships.
On top of this, she co-wrote, with Ian Stokell, a screenplay based on the anti-war novel “All Quiet on the Western Front” by Erich Maria Remarque, and in 2006 acquired an option on the film rights for the book. It was eventually produced as the 2022 epic film of the same name, distributed by Netflix. Paterson won the 2022 BAFTA Award for Best Adapted Screenplay, sharing it with Stokell and director Edward Berger. The film won a total of seven BAFTAs and four Oscars.