Lectures 2010 – Plantion 2010 – Bravvo 2009 – Huntenkring 2009 – Landschapsdag Gemeente Oude IJsselstreek 2009 – Storm Water Management in Landscaping 2009 – Cradle 2 Cradle in de groene buitenruimte 2009 – Cradle 2 Cradle in de praktijk 2007 – Singapore Garden Festival
