Dieter Zetsche (German pronunciation: [̩diːtɐ ˈtsɛtʃə]; born on 5 May 1953) is a German engineer and business executive. He is the chairman of TUI AG. He was the chairman of the board of management of Daimler AG and head of Mercedes-Benz until 22 May 2019, a role he had held since 2006, in addition to being a member of the company's board since 1998.