By & Havn (English: City & Port) or Udviklingsselskabet By & Havn I/S (en.: The corporation for development of City and Port I/S) is an organisation, tasked with the development of Ørestad and the port of Copenhagen and the daily operations of the latter, which is done through a subsidiary, Copenhagen Malmö Port. By & Havn is owned by Copenhagen Municipality (55%) and the Danish government, through its ministry of transport (45%). Key areas of the organisation are Ørestad, Nordhavnen, Amerika Plads, Sluseholmen and Teglholmen. Currently the CEO is Jens Kramer Mikkelsen, while Carsten Koch serves as director of the board.