After spending time at taz and Süddeutsche Zeitung he worked as a freelance journalist in the business and North Rhine-Westphalia departments of the Welt-group. While working as a guest journalist for Time Magazine, David was in New York on September 11th when the towers fell. He also founded the political blog “Ruhrbarone”. Between 2010 and 2014 David was in charge of the “research” department at the Content Desk of Funke-Mediengruppe (WAZ/NRZ/WR/WP).
David received the “Wächterpreis der Tagespresse” award for his investigation of the PFT-poison scandal at the Ruhr. He was awarded the Research Prize of the Swiss Wolfgang-Fichtner-Foundation for his work on fraud allegations against former state secretary Zülfiye Kaykin. His graphic report on the German military’s Afghanistan mission “Kriegszeiten” (“Wartimes”) was nominated for the German Youth Literature Award.