Former Australia pacer Jason Gillespie is set to leave his role as Sussex coach by the end of this year's season, the English county confirmed on Tuesday.
Gillespie, who is already in charge of the Big Bash League outfit Adelaide Strikers as well as Sussex, will now take up a role with the South Australian Cricket Association.
Gillespie's new duties will see him supervise South Australia's BBL and first-class teams, though he remains at Hove with Sussex until the end of the current campaign.
The 45-year-old had an illustrious international career as he was a member of Australia's invincible group of players, who dominated world cricket from the mid-1990s to early 2000s.
Gillespie later marked a successful switch to the field of coaching by leading Yorkshire to successive County Championship titles in 2014 and 2015 before being roped in by Sussex in 2018.
"We are very sorry to see Jason leave after three years at the club, but fully understand and support his decision to return home to a new role in South Australian cricket," said Sussex chief executive Rob Andrew.
"He will stay in Hove to see out our season and continue the great work with the development of our young and exciting team."
Gillespie's appointment to the South Australian set-up comes at a time when the franchise's form has dipped alarmingly over the last three years.
The 'Southern Redbacks', as they are nicknamed, have won only four encounters in their last 29 games in the country's premier first-class competition – Sheffield Shield.
Gillespie thus has a challenging job to do in order to overturn the side's fortunes as he takes over his predecessor Jamie Siddons.