Peter Lehmann

Co-president International summer academy, Senior-Partner 2030etc ag

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Kaspar Zehnder

Artistic director Internationale summer academy

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Thomas von Burg

Hugo Tschantre

Jürg Steinegger

Ursula Spycher

Delphine Ayrton

Assistance

Veronique Le Roy

orchestra scores, accompaniment event

Heidi Stöckli

Event-Supporter

Brigitte Thomer

Event Supporter

Leo Vettoretti

Scores and care of the orchestra