Ann Pickering, Chief of Staff and HR Director O2
Jo Swinson, Former Leader of the Liberal Democrats
Arancha Díaz-Llado, Director of Sustainable Innovation at Telefónica
Rachel Keane, Co-Founder of Women In Data UK
Nathalie Picquot, CEO Twitter Spain and Portugal
Bouchra Baibanou, Mountaineer
Therese Jamaa, General Manager GSMA, Mobile World Capital
Deirdre O'Halloran, Critical Care Nurse
Dame Uta Frith, Professor of Cognitive Neuroscience
Julia Gillard, Former Prime Minister of Australia
Dame Martina Milburn, Group Chief Executive of The Prince's Trust
Thea Green MBE, CEO and founder of Nails.INC and INC.redible cosmetics
Pilots from British Airways
María Eizaguirre Comendador, Journalist and broadcaster
Cristina Villarroya, Digital & media strategist director at BBVA
Elizabeth Rasekoala, President of African Gong
Maawura Totoe, Civil Engineer
Louise Hunnisett, 3D Visualiser
Dione Wilson-Brown, Outreach Support Co-ordinator for London Fire Brigade
Martina De Molli, Analyst