Quits his studies of law at the University of Basel to graduate as an actor and drama teacher at the Theatre Academy of Zürich (today "Hochschule der Künste"). He is a skilled guitarist and singer.
1989 foundation of his own theatre company “Thorgevsky & Wiener”, touring with theatre and musical productions through half of Europe in theatres and festivals.
1998 Thorgevsky & Wiener was awarded the most important distinction in German-language satire, the „Salzburger Stier“.
2001 entered as a partner the Swiss training network of the Kissling-Institute, developing communication models and providing management trainings and personal coaching around the globe.
Dan Wiener looks as a communication specialist after well-known international clients from a wide range of backgrounds, such as IT, logistics, industry, finances, tourism as well as public authorities, universities and universities of applied science.
Dan Wiener is a sought-after speaker and presenter He designs events, business games and trainings. In 2008 he was responsible for the design and the implementation of a hospitality program for the European Football Championship, a training project for 50 000 people.
Since 2009 he is lecturing amongst others regularly at the University of Basel on Culture and Crosscultural Communication.
In addition to his native language of German, Dan Wiener speaks English, French and Russian in trainings in Western and Eastern Europe, US, Latinamerica, Asia and the Middle East.