Bristol have announced the appointment of Sean Holley as their first-team coach.
Holley, who helped the Ospreys win four league titles during his time as assistant coach and then head coach, will move to Bristol ahead of next season.
It is a key appointment by the Championship club, whose ambition for an Aviva Premiership return was highlighted earlier this year when they made ex-England and Scotland coach Andy Robinson their rugby director.
Holley left his position as Ospreys head coach just over a year ago.
He worked with the Scarlets during this season's Rabobank PRO12 and was also an assistant coach with Wales in 2009 for a summer tour to Canada and the USA.
"Sean is exactly the sort of personality we are looking for at Bristol," Robinson said. "We are fortunate to have acquired somebody of his calibre. Sean has got a wealth of experience and success at the top level, and an intimate knowledge of professional rugby."
Holley added: "I am really looking forward to this new challenge and working alongside Andy, the coaching staff and players at Bristol.
"There is still a lot that I want to achieve in my coaching career, and I haven't taken the decision lightly.
"I have been lucky to have received plenty of interest, but the chance to work with Andy - and after discussing the plans in place for the club - I am confident that the ambition of Bristol match my personal goals."
Bristol narrowly missed out on this season's Championship play-offs, but they have been busily recruiting to strengthen their squad for next term, with new arrivals set to include Wasps fly-half Nicky Robinson, Northampton lock Mark Sorenson and Gloucester flanker Peter Buxton.