Sias Koen is known in South Africa as a loose-forward who a big ball carrying player and can punch a hole through any defence. He is also solid in the defence.
Koen, who plays for the Griquas in the Currie Cup and SuperSport Rugby Challenge played his junior rugby for the Leopards and the Sharks.
The player has also been known to captain the Peacock Blues on occasion and he is most certainly a valuable asset to the leadership group of any team he plays for.
Ahead of the 2018/19 Guinness PRO14 he was strongly linked with a move to the Toyota Cheetahs. In 2019 he was a part of the Griquas team which won the SuperSport Rugby Challenge. He has the rare distinction of playing all three of the SuperSport Rugby Challenge finals.