Christopher R. Chapple is an Emeritus Consultant Urological Surgeon at Sheffield Teaching Hospitals, Honorary Professor at the University of Sheffield, and Visiting Professor at Sheffield Hallam University. He is particularly interested in the functional reconstruction of the lower urinary tract and the underlying pharmacological control mechanisms and provided an NHS tertiary service in lower urinary tract reconstructive surgery. He trained at the Middlesex Hospital, where he completed his doctorate thesis. He continued there and at the Institute of Urology in London for his sub-specialist training. He was Secretary General of the European Association of Urology 2015-2023, having previously been Chairman of the International Relations Committee, Adjunct Secretary General Responsible for Education, and Director of the European School of Urology. He was the Network Coordinator for the European Reference Network (ERN) for rare urogenital diseases and complex conditions (eUROGEN) from 2016-2019. He was the editor-in-chief of the journal Neurourology & Urodynamics from 2006-2016 and is on the editorial board of several international journals. He is an active member of many urological associations and societies and has been awarded honorary membership of 25 national urological associations. He has honorary fellowships from the Royal College of Surgeons Hong Kong, the Sri Lankan College of Surgeons, and the American College of Surgeons. He has chaired several guidelines initiatives, including the NICE GDG on Male LUTS and the ICUD Consultation on Male LUTS. BAUS awarded him the St Peter’s medal in 2011, SUFU awarded him the Lifetime Achievement Award in 2015, the International Continence Society made him the inaugural member of their Hall of Fame in 2020, CAU awarded him the Shlomo Raz medal in 2022, and the SIU gave him a Distinguished Career Award in 2023.  Prof. Chapple has co-authored 850+ articles, comments, and letters in peer-reviewed journalsand has written several chapters and books. Alan J. Wein is Founders Professor and Chief of Urology and Director of the Urology Residency Program at the University of Pennsylvania. He obtained his MD training in surgery, basic urologic research and clinical urology at Penn. He holds an honorary PhD from the University of Patras, Greece and was conferred an Honorary Professorship by the Institute of Urology, Russian Ministry of Health. His clinical and research interests include, physiology/pharmacology of the lower urinary tract, evaluation and management of urinary incontinence and all types of lower urinary tract dysfunction, problems with prostate enlargement and the evaluation and management of prostate, bladder and kidney cancer.  He has received numerous awards and honors for excellence in the field of urology and has been recognized nationally and internationally through his many affiliations and professional memberships, which include the American Association of Genitourinary Surgeons (AAGUS), Clinical Society of Genitourinary Surgeons, American Surgical Association, Society of Surgical Oncology, Society of Urologic Oncology (founding member), Society of Pelvic Surgeons, Society of Urodynamics, Female Pelvic Medicine and Urogenital Reconstruction, Société Internationale d’Urologie, American Urological Association (AUA), and the Royal Society of Medicine.   He is the recipient of numerous awards including, the Urodynamics Society Lifetime Achievement Award, the F. Brantley Scott Award of the American Foundation for Urologic Diseases, the Hugh Hampton Young Award of the AUA, the Ferdinand C. Valentine Award of the New York Academy of Medicine and the Keyes Medal by the AAGUS, which is recognized as the greatest individual citation in the specialty for outstanding contributions in the advancement of urology.  He has authored or co-authored hundreds of papers and book chapters, holds multiple editorial positions on scientificjournals and has edited or co-edited over 30 books. Dr. Wein is editor-in-chief of the gold standard textbook in urology, Campbell-Walsh Urology.