The leaders of Volkswagen’s (VOWG_p.DE) supervisory board plan to meet soon to try to iron out an effective working relationship between Chairman Ferdinand Piech and Chief Executive Martin Winterkorn amid a leadership crisis at the automaker, a German newspaper reported on Monday. Several key members of the supervisory board including Piech are to meet ahead of VW’s annual shareholder meeting on May 5, Handelsblatt newspaper reported, citing sources close to the supervisory board.