 Having initially been taken on to work with the forwards, Pivac was then promoted to the Scarlets' head coach following the departure of Simon Easterby to Ireland.Pivac then steered his side to a PRO12 title in Dublin, Ireland, defeating Munster in a 46-22 six-try victory at the Aviva Stadium to secure their first major trophy for 13 years in May, 2017.On 9 July 2018, it was announced that Pivac would succeed Warren Gatland as the Wales coach.