Henry joined the Scarlets from French side Castres Olympique in the Top 14 having arrived there from Montpellier in January. He played seven internationals for England, but through World Rugby regulations was eligible to switch allegiances to Wales, who he qualifies for through his Swansea-born father. He won his first Wales cap in the 2023 World Cup warm-up match against England, then featured against Australia and Georgia during the global tournament in France. Henry, who stands at 6ft 1in and 119kg, started his career at Sale Sharks before moving to Bath, where he played for seven years.