Claire Duncan

founding partner of Nom de Guerre Studio,

sports agent


Claire's unique combination of business development expertise, background in media and passion for sports has led her to co-founding Nom de Guerre Studio, a PR and branding agency in downtown Toronto, as well as become an agent and manager for several top ranked professional triathletes.

Claire has helped a range of companies in and out of the sports industry break into new markets with successful athlete partnerships. She closes the gap between brand and athlete with creative strategies to help each get the most out of the relationship. For athletes, Claire helps acquire new sponsorships, renegotiate existing contracts, manage PR and media exposure and develop long term business strategies with the athlete’s career after sport in mind.

Claire serves on the board of directors for the Toronto Triathlon Clubis currently working on several film projects to be announced in 2019. She is passionate about empowering women in sport and works with a handful of brands and non-profits to advance this mission.

To get in touch, please email


  • Matt Russell Multiple Ironman Champion USA
  • Cody Beals Multiple Ironman Champion CAN
  • Lauren Brandon Ironman 70.3 Champion USA
  • Jackson Laundry Ironman 70.3 Champion CAN
  • Lesley Smith Ironman 70.3 Champion USA
  • Matt Hanson Ironman World Record Holder, multiple Ironman & 70.3 champion USA
  • Angela Naeth Ironman North America Champion & multiple 70.3 champion CAN/USA