Low-tech hoisting technology in Ethiopia / 2008
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Introductory course in dry stone walling with examination for professionals from Valais
Drystone walls on the island of Ufenau / SZ
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Val Cama / 2006 - 2007
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Civilian service assignment Verdabbio / 2006
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Training Posciavo GR 2006
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Lime rendering in Maloja /2005
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Ecole d'agriculture Châteauneuf, Sion
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Drystone masonry in Ethiopia / 2005
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Civilian Service Mission Isérables / 2004
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Drystone Training Puschlav GR / 2004
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