Gräf, an attorney, first joined the Volkswagen Group in 1999 at Volkswagen Immobilien, initially in the Legal Affairs Department and later as an assistant to the CEO. She worked in the HR Department at Volkswagen AG in Wolfsburg from 2002 to 2005 before returning to Volkswagen Immobilien in 2005. Between 2012 and 2015, Maren Gräf worked at FAW-Volkswagen in Changchun, China as Head of Management Development in the HR area.