Dr. Ayun Cassell an Assisttant Professor of Urology with expertise in Endourology and Uro-oncology at the Department of Surgery, John F. Kennedy Medical Center, Monrovia Liberia. I am a Fellow of the American College of Surgeon, Fellow of the International College of Surgeons and Fellow of the Liberian College of Surgeons. Member of the Faculty of Surgical Trainer, Royal College of Edingburgh. I am also a Member of the American Urological Association.