The salient points that Guillaume has reached over the years, his medals, his participation in world championships, his records, all these are reason for him to be proud:
- Three Quebec Provincial Games in water skiing, 8 medals
- Participation in the Quebec Provincial Games in trampoline and table tennis
- Seven Quebec junior records in figures
- Five Quebec U21 records in figures
- Two U21 Canadian records in figures
- Ten medals in the Canadian Championship
- 5th place in the Junior World Championship held in Australia, 2013
- 7th place at the U21 World Championship held in Florida, 2013
- Triple gold medal at the U21 International Pan American Championships, 2014
- 4th place at the U21 World Championships held at Sesena, Spain, 2015
- 15th place at the Open World Championships held at Chapala, Mexico, 2015