Hassan is a development expert and author on global affairs. At the Gates Foundation, he advises Bill and Melinda Gates on the Middle East & North Africa, Pakistan, Japan and Korea, and leads a global team responsible for policy, advocacy and government relations in those countries. He co-founded and sits on the board of the Lives & Livelihoods Fund (LLF), a $2.5 billion fund based in the Islamic Development Bank. The LLF is the largest ever truly multilateral aid initiative based in the Middle East. Hassan has written extensively about global development and politics. His first book, The Responsible Globalist, was published by Penguin Allen Lane in 2019. In 2016 he cofounded the One Degree Academy, a school in North London that is rated “Outstanding” by Ofsted. He also sits on the board of the Education for Employment Foundation, an NGO that provides job training and placement for unemployed young people in the Middle East and North Africa. Hassan has been named as one of the 100 most influential Arabs under 40 every year since 2015 by Arabian Business magazine.