LangenscheidtGrey DusseldorfGermany2016
LangenscheidtGrey Dusseldorf, Jung von Matt/365 GmbH Hamburg GermanyGermany2016
LangenscheidtGrey Dusseldorf, nbhGermany2014
LangenscheidtGrey DusseldorfJamaica2014
LangenscheidtGrey DusseldorfGermany2013
LangenscheidtInterone GermanyGermany2011
LangenscheidtHeye & Partner Germany, Heye & Partner MunichGermany2007
LangenscheidtBBDO GermanyGermany2007
LangenscheidtHeye & Partner MunichGermany2007
LangenscheidtY&R FrankfurtGermany2007