Philip O'Brien was the President of the Association Montessori Internationale (to 2023) and Senior Adviser at the Elizabeth Glaser Paediatric Aids Foundation. He was previously Executive Vice President for Communications Advocacy and Development at the Foundation. Prior to joining Elizabeth Glaser, Philip worked for UNICEF in a number of positions and roles, including as Regional Director for Central and Eastern Europe, and Director of Private Partnerships and Fundraising. He has lived and worked in Asia, Africa, US and Europe. He holds a Master of Science in Economics from the University of Wales, Swansea UK.