Alexandra Mousavizadeh (born 18 Sept 1970) is a Danish economist and partner at Tortoise Media in London and creator of and . She specializes in index creation, using data to build indices that rank nations, companies and other entities on key social and technological issues. She is also the Former Director of the Prosperity Index, a comprehensive ranking of the prosperity of more than 140 countries published annually by the London-based Legatum Institute.