Weber Shandwick Germany's executive vice-president Wolfgang Lang will join Grayling Germany as CEO on 1 May.
Lang has spent the past 12 years with Weber Shandwick, working across its internal comms, change management, reputation management and CSR practices.
The appointment comes after Hanning Kempe, CEO for Grayling in Switzerland and Germany, announced he is to join Fleishman-Hillard Germany as MD on 2 July.
Grayling Switzerland's MD Bettina Gebhardt is also joining Grayling Germany as head of consumer. She and recently appointed financial director Bruce Miller will be joining Ilka Schwarz and Dr Stefan Kombuchen on the Grayling Germany management board.
Stephan Oehen, who recently joined Grayling Switzerland as executive director, has now become MD for corporate, financial comms and government relations.