It was announced on Friday that Klopp has agreed an extension to his Reds contract until 2024, along with assistant managers Peter Krawietz and Pepijn Lijnders.
Alexander-Arnold has flourished under the German’s management and he is delighted that the European Cup-winning boss will continue his work at Anfield.
“He has showed he is a world-class manager, if not the best in the world,” the full-back told Liverpoolfc.com. “He has done special things for the club and obviously the fans all love him.
“He fits perfectly. He has brought players in, he has moulded players into world-class players.