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Henja Altena is an experienced professional in project management and advisory roles, currently serving as the Owner of Altena Projecten. Since June 2011, Henja has worked as an Adviseur Leefomgeving at Portaal, while also holding the position of Projectleider at Gemeente Amersfoort since 2007. Additionally, Henja held the role of Adviseur Leefomgeving at Portaal from 2008 to 2009 and served as Wijkcoördinator for the gemeente Leusden from 2003 to 2007.