MANAGEMENT
Dipl.-Ing.
Wilhelm Linnewedel
Since 2006 CEO of KOLLER Maschinen- und Anlagenbau GmbH, has been employed in the Oil & Gas industry for 25 years; university degree in Engineering from the Tech. University Hanover; specialized as European Welding Engineer, worked at Cameron Iron Works in Celle as a Mechanical Engineer and Project Manager, moved as the Assistant Plant Manager to KOLLER. Moreover his role has expanded at KOLLER as a Plant and Engineering Manager since 1990.
Dipl.-Oec.
Marijan Grahovac
Since 2008 CEO of KOLLER Maschinen- und Anlagenbau GmbH, university degree in economics from the University Hanover; worked as Commercial Manager of Wayss & Freytag AG in Hanover, Project Manager of NILEG (Real Estate) in Hanover, Commercial Manager of Walter-Bau AG (Construction) in Hamburg/Augsburg, Commercial Project Manager of Alstom Power Generation (Power Plant Construction) in Stuttgart.




