Ed Miliband
Guest speakers have included Natalie Bennett, Owen Jones, Ed Miliband, Sir Win Bischoff, Gina Miller, Dr Aziz Aboobaker, Annabel Port, Stephen Timms MP, Dr Kenneth Tong, Dr George McGavin, , Simon Singh, Shami Chakrabarti, Lord Mervyn King, Robert Winston, Ed Miliband, Venki Ramakrishnan, Evan Davis and Sir Robin Wales.