Margit Wennmachers, previously partner and head of marketing at Andreessen Horowitz, has joined worldwide digital communications group Next Fifteen as a non-executive director.
Wennmachers had previously co-founded OutCast Communications Corp, which became a subsidiary of Next Fifteen Communications Group plc. in 2005.
Richard Eyre, chairman of Next Fifteen, said: "I am delighted to welcome Margit Wennmachers to the board. Her experience in our sector, together with her outstanding reputation in Silicon Valley will be of great value as the Group continues to expand."