Raphaël Liogier (born in 1967) is a French sociologist and philosopher. He received his PhD in social sciences at the University Paul Cézanne (Aix-Marseille) in France, where he also received master's degrees in public law and in political science. Other degrees include a degree in philosophy from the University of Provence, and a Masters of Science (MSC) by research in philosophy from the University of Edinburgh in Scotland. Liogier has also studied social sciences as a visiting undergraduate at the University of California at Berkeley. His work can be divided into three main areas of study: