Somerset Cricket Club says Director of Cricket Matt Maynard will be leaving the club at the end of the season.
The club has decided to separate the roles of Director of Cricket and Head Coach.
Somerset CEO Lee Cooper says the club is parting company with Maynard "on very amicable terms".
Maynard says he will leave the club "with a heavy heart".
Somerset says it will announce a new Director of Cricket and Head Coach shortly.