Dr. Ja Hyeon Ku graduated from Soonchunhyang University School of Medicine, Korea, in 1995 and completed his Urology training at Soonchunhyang University Hospital in 2000. He completed fellowships at Seoul National University Hospital (2003-2005) and subsequently obtained his Ph.D. in Department of Urology, Seoul National University College of Medicine (2005). He was appointed a staff at Seoul Veterans Hospital, Korea (2005-2007) and moved to Department of Urology, Seoul National Hospital, Korea in 2007. He was studied bladder cancer as a Visiting Postdoc Fellow at Scott Department of Urology, Baylor College of Medicine, Houston, Texas under Dr. Seth P Lerner (2011-2012). He has been the faculty member since 2007 and is now an associate professor in Department of Urology, Seoul National University College of Medicine, Korea. His clinical and research interests lie in the urologic cancers including urothelial carcinoma. He published more than 150 peer-reviewed journal articles and book chapters. He has been also active member of Korean Urological Association and board member of Korean Urological Oncology Society. He has been serving as an Editorial Board for the Korean Journal of Urology, World Research Journal of Surgical Oncology, World Journal of Clinical Oncology, and Journal of Chinese Clinical Medicine.