Volkswagen's CEO Herbert Diess to step aside at Skoda, Seat SECTIONS Last Updated: Apr 29, 2021, 09:39 PM IST Share Synopsis At Seat, Diess would be succeeded by current technology head Thomas Schmall and at Skoda by Murat Aksel, head of procurement on the Volkswagen board, the source added. Agencies At Seat, Diess would be succeeded by current technology head Thomas Schmall and at Skoda by Murat Aksel, head of procurement on the Volkswagen board, the source added. Volkswagen boss Herbert Diess is stepping down as head of the supervisory boards at subsidiaries Seat and Skoda to focus on building up a stronger software-development team, a person familiar with the matter said on Thursday.