All-inclusive TUI Group’s Fritz Joussen Proclaims Company “Future Proof” 5 years ago TUI Group CEO Fritz Joussen proves once and for all his company could care less about sustainability, people, or future… Here We Go: TUI and Greece to Set “Strategic” Partnership 6 years ago Tourism Μinister Haris Theocharis will announce a special agreement with the largest travel organizer in the world, TUI Group.