IRVING, TEXAS — William M. Mitchell has been named chief executive officer of Cicis, a pizza buffet restaurant chain with more than 430 restaurants in 31 states. Mr. Mitchell succeeds Darin Harris, who stepped down from the role in January.

Before joining Cicis, Mr. Mitchell was president of Dunkin’ Brands International at Dunkin’ Brands Group, Inc. He also held leadership roles at Papa John’s International, including president of global operations. Additionally, Mr. Mitchell was responsible for business planning and operation of 1,400 Popeyes restaurant locations for AFC Enterprises before the Popeyes restaurant chain was acquired by Restaurant Brands International, Inc.

“Bill has an outstanding track record as a leader of large franchise systems, improving operations, customer service and overall business growth,” said Ben Fishman, managing director of Cicis parent company, Arlon Group. “We have deep confidence that he will continue to strengthen and improve Cicis in meaningful ways for our strategic partners and most importantly, our guests.”