Tiara Tours is a Dutch travel agency who is specialized in the Trans Siberian Express. The director of Tiara Tours is Addie Schiphorst Preuper who founded the organization in 1996. Tiara Tours also organizes a ten day Join-In tour to Tibet and Nepal. The Trans Siberian Express is one of the many train tours Tiara Tours offers, they also offer the Trans Mongolian Express, the Peking Express and some other varieties. Besides the Trans Siberian Express they also organize individual tours, city trips, fly-drives and cruises to Eastern Europe and Asia.