Mary Henrietta Kaldor (born 16 March 1946) is a British academic, currently Professor of Global Governance at the London School of Economics, where she is also the Director of the Civil Society and Human Security Research Unit. She also teaches at the Institut Barcelona d'Estudis Internacionals (IBEI). Kaldor has been a key figure in the development of cosmopolitan democracy. She writes on globalisation, international relations and humanitarian intervention, global civil society and global governance, as well as what she calls New Wars.