Dominic Cork says Derbyshire remain 'dear to my heart' after being announced as the Midlands club's new Twenty20 coach.
Cork, who played at Derby before moving on to Lancashire and Hampshire, previously assisted New Zealander John Wright in the shortest format of the game.
"The opportunity was too good to miss and I'm delighted to be back with Derbyshire," Cork said.
"The club is dear to my heart - it's where I started my career - and I've been grateful to work alongside John Wright in the last two years as the team has progressed.
"We've got players here who can win Twenty20 games and we've already upset the odds on a number of occasions. We'll continue to work as hard as we can and hopefully take the club one step further to finals day."
Cork was Hampshire captain when they won the tournament nine years ago.
"Dominic is a Derbyshire great and a proven winner with a great track record as a player," said chief executive Ryan Duckett.
"He has impressed as a specialist Twenty20 bowling coach and was part of the coaching set-up as the club reached its first Twenty20 quarter-final since 2005.
"It's an exciting time for Derbyshire and I'm looking forward to Dominic taking the squad forward."
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