Kermond represented Australia at the 2006 World Equestrian Games in Aachen, the 2014 World Equestrian Games in Caen, as well as the 2018 World Equestrian Games in Tryon. He also took part at two World Cup Finals (in 2014 and 2018). In 2016 and 2017, Kermond won the Australian National Championships with his horse Yandoo Oaks Constellation (more commonly known as Napa), and in 2018 headed to the Hong Kong Masters where he and Napa placed 4th in the CSI5* Grand Prix, before heading to the World Cup Finals and the World Equestrian Games.