London

Mark Pack is Head of Digital at Mandate Communications, having previously been Head of Innovations at the Liberal Democrats. He is co-editor of Liberal Democrat Voice (www.LibDemVoice.org), one of the five most influential political blogs in the UK (source: Wikio).

Until mid-2009 he was responsible for the Liberal Democrats' online presence, including social media, and he is the co-author of two books on election law. He is often in the media, appearing in places such as BBC2, BBC News 24, Newsnight, The Westminster Hour and LBC, and is a regular speaker at conferences on politics and technology.