Han Collignon is an experienced project leader currently working at Siza since August 2025. Prior to this role, Han served as an advisor and senior technician in mechanical engineering installations at Rijksvastgoedbedrijf from January 2015 to September 2025. Han also held the position of project leader at Exience from October 2012 to December 2014. Han holds an engineer's degree in industrial management and engineering from Windesheim, obtained in June 1999.
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