Mr Sieksmeyer is the operational managing director of Dettmer Rail GmbH. After completing his commercial training as a forwarding agent in Bielefeld, Mr Sieksmeyer studied transport management at the Bremerhaven University of Applied Sciences, graduating as an industrial engineer. After working for several years as a specialist area manager for rail logistics in a German mineral oil company, he moved to Transpetrol GmbH as a project manager in 1997 and later took over the management of the newly founded ChemOil Logistics AG in Switzerland. After his return in 2002, he was appointed Managing Director of Transpetrol GmbH and in 2011 also assumed overall responsibility for the Rail Logistics Division of VTG AG.
Chief Operations Officer of the Dettmer Group since 2008. After completing his commercial training as a maritime shipping clerk in Bremen, Mr Niemeyer studied economics in Saarbrücken and Göttingen, graduating with a degree in business administration. After working for several years as managing director of a medium-sized freight forwarding company in Bremen and a large handling company in Hamburg, he joined the Dettmer Group in 2008.
Mr Diercks is an authorised signatory of Dettmer Rail GmbH and is responsible for all activities relating to wagons, single wagon transportation and invoicing. This activity is supplemented by the operational management of our block train transportation. After completing his commercial training as a forwarding agent with a well-known Hamburg forwarding company, Mr Diercks joined DEA Mineraloel AG in 1992. He started his career in Supply & Transport and later took on new responsibilities in Sales, where he was most recently Head of Sales, Petrochemicals. From 2002 to 2013, Mr Diercks was at Transpetrol GmbH, initially with responsibility for the Fleet Management and Block Train Operating departments, and latterly as Divisional Manager with responsibility for group-wide fleet management and European-wide sales and management of liquefied petroleum gas transportation.
Jürgen Lütkemeier Authorised signatory | Head of Operations
Mr Lütkemeier is part of the founding team of Dettmer Rail GmbH and was appointed authorised signatory in February 2015. His main focus is the purchasing, costing and operational handling of block train transportation, as well as all associated issues relating to railway operations. Following his training as a commercial clerk in railway and road transport, Mr Lütkemeier gained initial professional experience at Deutsche Bahn in Hanover. In 1991, he moved to Regionalverkehr Münsterland as the right-hand man of the managing director and also held the position of local operations manager. In 2001, Mr Lütkemeier was appointed Managing Director of GVZ Rheine GmbH, but decided to take on a new challenge at Transpetrol GmbH in 2004. In the area of block train transportation, he spent several years in quotation management while managing the ‘Railway Undertaking Development’ project. Most recently, Mr Lütkemeier was responsible for the ‘Operating Block Trains’ and ‘Railway Undertaking Control Centre’ departments.
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