Sylvain Métille is a partner at the law firm HDC in Lausanne and an Associate Professor at Lausanne University (Switzerland). He obtained his J.D. (2003) and Ph.D. in Law with Honors (summa cum laude, 2010) from the University of Neuchâtel and was admitted to the Swiss Bar in 2005. He was invited as a Visiting Scholar by the Berkeley Center for Law and Technology (University of California) in 2010–2011.

Sylvain Métille advises a broad range of local and multinational companies on personal data, surveillance, IT or computer crime, including. data protection matters and issues related to new technologies and GDPR, advising, drafting and negotiating IT contracts, as well as advising on contractual and regulatory issues in the online world. He is regularly called as an expert by the Swiss Government, the Council of Europe, or the European Parliament.

He is recommended in data protection and lawyer in TMT by leading directories (such as Chambers & Partners, Legal500, and the Best Lawyers).

Professor Métille teaches Data Protection and Computer Crime at Lausanne University, where he is the academic director of the Master of Law (MLaw) in Legal Issues, Crime and Security of Information Technologies and a member of the University Ethics and Research Committee. He frequently publishes and gives conferences, and has been running a blog about law and information technologies (in French) for more than 10 years (\blog).