Piotr Cofta works for British Telecom as a Chief Researcher, Security and Trust in the Mobility Research Centre. He is responsible for research in convergent security and trust, specifically in identity and privacy. Previously he has worked for many years for Nokia and more recently for Media Lab Europe, concentrating on device security and transactional trust. His research interest includes technical and social aspects of security and trust with special focus on opportunities in convergent environment and mobile commerce. He received his PhD in computer science from the University of Gdansk, Poland. He is a member of IEE and IEEE.