Alexandre Julliard (born 1970) is a computer programmer who is best known as the project leader for Wine, a compatibility layer to run Microsoft Windows programs on Unix-like operating systems. Julliard studied computer science at the Swiss Federal Institute of Technology in Lausanne. He spent most of the 1990s working on embedded systems. He now works full-time on Wine for CodeWeavers. Julliard enjoys astronomy and lives in Lausanne, Switzerland.