Steff made his debut for the Scarlets regional team in 2014 having previously played for the Scarlets academy. In May 2017 Steff was named in the Wales senior squad for the tests against Tonga and Samoa in June and finished as the 2016-2017 Pro12 season's highest try scorer with 11 tries.
Steff told us: “I feel very honoured to become Patron for Follow Your Dreams, and I hope I’ll be able to help the charity raise awareness of their work. I’m really excited about helping them with fundraising and spending more time with all the amazing kids!”