A prodigious schoolboy talent, Harrison signed his first professional contract with the NSW Waratahs in 2018 and has been a part of the NSW Rugby pathway dating back to his days at Marcellin College.
Since captaining the Australian Schoolboys, Harrison has gone onto excel at youth international level, playing a pivotal role in the Junior Wallabies side that made the final of the 2019 World Rugby U20 Championships.
