John Kolmer is currently the Hoofd bedrijfsbureau at Brand Energy & Infrastructure Services, a position held since 2014. Prior to this, John served as Hoofd Bedrijfsbureau at Harsco Infrastructure from 2012 to 2014, and as Werkvoorbereider at Cleton Insulation BV, SGB Cleton BV, and Harsco Infrastructure BV from 2002 to 2012.
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