Prof. Olivier Traxer is currently Professor of Urology at the University of Paris 6th (Pierre et Marie Curie) and works in Tenon Hospital (academic hospital). After training in general urology in Paris, Prof. Olivier Traxer did a research-fellowship at Southwestern Medical School, University of Texas, Dallas-Texas (under the supervision of Professors Charles Y.C Pak and Margaret Sue Pearle) to subspecialize in Endourology and kidney stone management, which represents his main field of interest. As an endo-urologist, his main goal is to improve the knowledge on urinary stone disease and endourology, to optimize the quality of treatment given to patients, and to promote the role of his specialty in that field. Prof. Traxer Olivier is responsible in Tenon Hospital-Urology department (University Hospital, University Pierre et Marie Curie Paris-6) for the minimally invasive surgery section.