Gasunie
Ralf Koll has extensive experience in project management and engineering, currently serving as a member of the working group for NEN 3650 series at NEN since April 2011. At Gasunie, Ralf Koll has held the position of Senior Project Manager since June 2005, overseeing significant projects such as WarmtelinQ and Porthos. Previously, Ralf Koll worked at BAM Infratechniek / De Ruiter Aannemingsmaatschappij from September 2000 to May 2005 in various managerial roles, and held positions at Stork IBN and Stork Engineers & Contractors earlier in the career, starting as a Pipeline Engineer in 1991. Ralf Koll graduated with a Diplom Ingenieur from Fachhochschule Bochum in 1991.
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