Italy centre Michele Campagnaro has signed a contract to join Harlequins after this autumn's World Cup.
Campagnaro is a regular in the Azzurri midfield where he has accumulated 42 caps and was part of the team condemned to a wooden-spoon finish in the recent Guinness Six Nations.
The 26-year-old currently plays for Wasps and also spent three seasons at Exeter, helping the Chiefs win the 2016-17 Gallagher Premiership title.
"Michele is a seasoned international and a Premiership winner who will add top-level experience to our playing group," Quins head of rugby Paul Gustard said.
"He's a fantastic talent, powerful through contact and will give us even more of an attacking threat next season."