Prior to joining Twitter’s Public Policy team in July 2012, Sinéad was Director of Communications for An Garda Síochána (Ireland’s national police service) for almost five years, having been Director of Media and Public Relations for the Police Service of Northern Ireland between 2004 and 2007. From 1996 to 2004 she held a range of political advisory positions in the Irish government including roles at the Department of Justice, Equality and Law Reform and the Attorney General’s Office. She studied law and qualified as a barrister in 1993.