Former Australia pace bowler Jason Gillespie is to return to Yorkshire as first-team coach.
The 36-year-old, who spent two years as a player at Headingley, has had spells coaching Zimbabwean side Mid West Rhinos, Australia A and Indian Premier League outfit Kings XI Punjab.
Australian opener Phil Jaques, 32, who played for Yorkshire in 2004 and 2005, returns as overseas player.
The Tykes were relegated from County Championship Division One last season.
Following the drop to Division Two, the existing coaching team was broken up with former England all-rounder Craig White taking up a career in umpiring and Steve Oldham, Kevin Sharp and John Blain all leaving Headingley.
Gillespie, who took 259 wickets in 71 Tests for Australia, will now work under director of cricket Martyn Moxon and alongside captain Andrew Gale.
He is joined by former Kent coach Paul Farbrace, now in charge of the Yorkshire second XI, and Ian Dews, who moves to the role of director of cricket development.
"To be able to go back there in a coaching capacity is a fantastic opportunity," said Gillespie.
"When opportunities like being first-team coach at Yorkshire come up you don't turn them down.
"The one thing I'll be bringing to Yorkshire is a bit of fun and enjoyment, but making sure our preparation is spot on and leaving no stone unturned."
Financial restrictions meant Yorkshire were without an overseas player for much of last season before the arrival of South African Jacques Rudolph.
Jaques, who has also had spells with Worcestershire and Northants, scored 2,477 runs at an average of 61.92 in 24 first-class matches during his previous stay at Headingley.
The left-hander has won 11 Test caps for Australia and has signed a two-year deal with the Tykes.