 His thesis, defended in 2003, was about the production of high energy Eta prime mesons in the decays of B mesons.After that he was a Postdoctorate in England at the Rutherford Appleton Laboratory, where he worked on the ATLAS experiment at LHC.He then joined the high energy physics department of École Polytechnique Fédérale de Lausanne (EPFL) and works currently on the LHCb experiment.