Head of the Urolithiasis Unit at the Urology Department in Fundació Puigvert, Barcelona. Surgeon doing Supine PCNL, miniPCNL, RIRS, and laparoscopic approach for stone disease. Involved in metabolic and cristalographic studies, control of urinary ph and all related factors to avoid stone recurrence. Special interest in cystinuric patients. Kidney transplantation.