Lazaros Tzelves is an Assistant Professor at the 2nd Department of Urology, National and Kapodistrian University of Athens, Sismanoglio General Hospital, a former Uro-Oncology Fellow at the University College of London Hospitals (Uro-Oncology), a Research Associate at the European Association of Urology Urolithiasis Guidelines Panel and the Female Non-Neurogenic Lower Urinary Tract Symptoms Panel. He completed his M.S. in Clinical Research and Ph.D. in bladder cancer epidemiology at the National and Kapodistrian University of Athens, and his MD at the Aristotle University of Thessaloniki; and he was certified by ECFMG. He is also a Fellow of the European Board of Urology (FEBU).