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Jean-Daniel-Tschan-photo Jean-Daniel Tschan

Owner and Managing Director, Interlangues Schools Sàrl.

Ingrid-Le-Tourneur Ingrid Le Tourneur

General Manager Interlangues Sàrl,  Avenches, Biel, Solothurn & Langenthal

 Lluna-Bohnenblust Lluna Bohnenblust

Course Co-ordinator & Personal Assistant

Barbara-Sommer Barbara Sommer

Course Co-ordinator & Secretary :  Biel, Solothurn & Langenthtal


Our teachers are chosen according to strict criterias:

  • They teach in their mother-tongue or are completely bi-lingual.
  • They have solid professional experience in the teaching of languages to adults.
  • According to the requirements of eduQua certification, they must hold the FSEA1 or its equivalent.
  • Course quality is consistently monitored and evaluated.
  • Workshops, seminars, webinars and conferences are regularly organised vis-a-vis continuous professional development.