Ray Naughton, chief executive of Siemens Nixdorf Ireland, has announced he will resign from the Dublin-based company at the end of September. Mr Naughton has worked for 25 years with Siemens Nixdorf and previously Nixdorf. The move follows a worldwide restructuring which will result, in Ireland, in the merging of Siemens Nixdorf into Siemens. Mr Richard Crowe, chief executive of Siemens Ireland, will now become chief executive of the merged operations.