Dr. Ralph V. Clayman is a Distinguished Professor of Urology and Dean (emeritus) at the University of California, Irvine. He initiated the first fellowship program in Endourology and has trained over 35 fellows, many of whom have current leadership positions in academic urology. He has done much pioneering work in the endourological treatment of urolithiasis and the laparoscopic approach to renal surgery, having performed the world’s first laparoscopic nephrectomy in 1990. Dr. Clayman is a co-founder of the Endourology Society and served as co-editor of the Journal of Endourology from 1986-2020. He holds 23 patents and has published over 475 peer reviewed manuscripts.