Firus and Lauren Collins had their first tryout together in February 2014 and agreed to form a partnership in May. They decided to train at the Mariposa School of Skating in Barrie, Ontario, coached by David Islam, Kelly Johnson and James Callan. Collins/Firus finished sixth at a Junior Grand Prix event in Japan and won the junior silver medal at the 2015 Canadian Championships. After moving up to the senior level, they placed fifth at the 2015 CS Nebelhorn Trophy and tenth at the 2016 Canadian Championships.