William Ryan joined the Knights in the summer of 2018 from Ealing Trailfinders.
The 27-year-old started his career at Cork Constitution and UCC (University College Cork) Rugby. Before making the short move overseas to Rotherham Titans. At the Clifton Lane outfit, Ryan made 30 appearances over two seasons helping the side to consecutive fourth placed Championship finishes.
At the beginning of the 2016/17 season, the back-row moved to Ealing Trailfinders scoring three tries in his debut season.
Willie will look to help push the Knights up the table in the 2018/19 RFU Championship season.