Facebookâs Nicola Mendelsohn Joins Speaker Line-up for DMX Dublin March 5, 2021 Facebookâs vice president for the EMEA region Nicola Mendelsohn has been added to the list of keynote speakers for the forthcoming DMX Dublin event which is being organised by the Marketing Institute of Ireland, which will take place on March 25 th. Mendelsohn has held the role since 2013 and she also  serves on the UK Governmentâs Industrial Strategy Council, The Mayor of Londonâs Business Advisory Board, and in September 2014 she became a non-executive director of Diageo. She and her husband are also co-presidents of the charity Norwood.