Bentley has named a top executive at Porsche as its new chairman and chief executive. Frank-Steffen Walliser will take on the roles at the Crewe-headquartered manufacturer on July 1. Walliser has been vice president, complete vehicle architecture and characteristics, at Porsche since September 2022, having first joined more than 25 years ago. He will succeed Adrian Hallmark who left Bentley in March ahead of becoming Aston Martin's new chief later this year.