Chief Executive Officer Katrien Meire has left Hillsborough after just a year at the club.
She told the club website: “Since joining Sheffield Wednesday in January 2018, I felt a warm welcome from everyone at the club and the fans at games and around the city.
“I would like to wish the chairman, the staff and players at the club all the very best. With new manager Steve Bruce in charge and the fantastic support of our amazing fans, the club’s journey to the Premier League has never looked any better.”