Richard DeWolfe, chair of the board of directors of Manulife Financial Corporation and The Manufacturers Life Insurance Company, will retire from the board in May 2018. He will be succeeded by John M. Cassaday.

Effective Dec. 7, Cassaday was appointed as vice-chair. As part of that role, he will work with DeWolfe in managing a smooth transition of the affairs of the board until the annual meeting on May 3, 2018.

Cassaday, who joined the board in 1993, was previously president and CEO of Corus Entertainment Inc. He’s also held senior management roles at Shaw Communications, CTV Television Network and Campbell Soup Company in Canada and the U.K.