Formerly: journalist; with the Permanent Mission of the United Kingdom to the United Nations, New York; with the European Commission; Executive Director, Crisis Action. Since January 2016, responsible for Change.org’s general management globally. Change.org is the world's largest platform for social change with over 170 million users worldwide. Chair, Helen Bamber Foundation. Young Global Leader, World Economic Forum (2011). Recipient of awards and honours, including: MacArthur Award for Creative and Effective Institutions (2012); Skoll Award for Social Entrepreneurship (2013); CNN Inspirational Women 2014; Yale World Fellow (2015).