Currently, Hildegard Müller occupies the position of President of Verband der Automobilindustrie eV (VDA).

She is also on the board of 11 other companies.

She previously held the position of Chairman-Executive Board & Managing Director at Bundesverband der Deutschen Energie und Wasserwirtschaft eV, Chief Operating Officer-Grid & Infrastructure at innogy SE and Department Director at Dresdner Bank AG.

She received an undergraduate degree from Heinrich-Heine-Universität Düsseldorf.