It was announced on Friday by owners Fenway Sports Group and the club that the Scot had accepted an invitation to join the board of directors at Anfield.
"I never had any doubt that Kenny would come back at some point," Ayre told liverpoolfc.com. "But it was just about getting the timing right and the role right and I think we've done fantastically well on both fronts.
"He understands the fans. He understands the club. He understands what makes it tick and for that reason he should be part of it and I'm very pleased to have him back."
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