Leslie Patton US struggling pizza maker Papa John’s has appointed Arby’s president Rob Lynch as its new chief executive.

Embattled pizza chain Papa John’s International said its founder John Schnatter will resign from the board, bringing to a close months of tensions in the management ranks.

Yahoo investor Starboard Value has nominated nine directors to replace the entire board at the struggling web portal, which it contends has been mismanaged under CEO Marissa Mayer.

Yahoo has formed a committee of independent directors to explore strategic alternatives, alongside its plan to revamp and spin off its internet business.