At the age of 28, Blume began working as a planner for body shop and paint operations at Audi. Three years later, he assumed responsibility for the body of the
Audi A3, and two years after that, he was promoted to Executive Assistant for production at Audi. He earned his
PhD in vehicle technology. Blume spent five years in production planning at
SEAT and another five years with the
Volkswagen brand. In 2013, he joined the Porsche Executive Board, where he oversaw production and logistics. Between 1 October 2015 to 31 December 2025, Blume had been the
CEO of the Volkswagen subsidiary
Porsche. He was appointed to this position by the company’s supervisory board on 30 September 2015, succeeding
Matthias Müller, who became CEO of the
Volkswagen Group. In October 2022 Blume was appointed CEO of Volkswagen Group, replacing
Herbert Diess who had resigned in July 2022. ==Other activities==