Credit: CERN David BacherGraduate Student Sub departmentParticle Physics Research groupsLHCb david.bacher@physics.ox.ac.uk Telephone: (2)73382 Denys Wilkinson Building, room 653 About I am a DPhil student in the LHCb group working on the analysis of semi-leptonic B decays and the development of 4D tracking for the next upgrade of the LHCb Vertex Locator (VELO).