Hans-Heinrich Kleuker PhD has been Managing Director of TWL, Technische Werke Ludwigshafen AG since 2009. At the same time he is also a joint Managing Manager of the Verkehrsbetriebe Ludwigshafen GmbH (VBL) (Ludwigshafen transportation company) and the Rhein-Haardtbahn GmbH (RHB). Prior to joining TWL, the holder of a doctorate in engineering was, among other things, a ‘Prokurist’ (authorised signatory) at the Mannheim MVV Energie AG and Commercial Manager of Gemeinschaftskraftwerk Kiel GmbH. Born in Hanover in 1964, Dr. Hans-Heinrich Kleuker studied at the University of Dortmund and subsequently obtained his doctorate in the optimisation of district heating systems field. He started his career at RWE Energie AG, Essen.