During each winter semester, the preparatory seminar for TriMUN takes place twice a week. Sessions are usually held on Fridays and Saturdays to avoid any overlaps with other university seminars.

In the sessions, the participants will learn the tasks and dynamics of the United Nations as a whole, but also of the many organs and organizations in the UN system. Delegates are furthermore prepared specifically for the processes and challenges of the international simulation of the UN in New York, NMUN. They are also educated on relevant political dynamics surrounding the United Nations system and the influential Member States as well as on the specific political situation of the Member State TriMUN will be representing in New York

At the same time, the seminar conveys a basic understanding of diplomacy, concrete strategy in negotiation and diplomacy as a whole, and the ability to analyze and work with complex international problems. As the preparatory seminar as well as the simulations are held entirely in English, it is usual to also improve one’s command of the language. Additionally, TriMUN aims to enhance participants’ self-confidence and public speaking skills through regular rhetorical training.