Director of Urology, Chief Physician, Professor, and Doctoral Supervisor. Dr. Yushi Zhang has extensive clinical experience in urology, specializing in minimally invasive surgeries such as transurethral resection, laparoscopy, ureteroscopy, and robot-assisted laparoscopy. He has profound expertise in treating urological tumors, adrenal surgical diseases, retroperitoneal tumors, and tuberous sclerosis. He graduated from Peking Union Medical College with a doctoral degree. Throughout his career, he has led multiple research projects funded by the Doctoral Fund of the Ministry of Education, the National Natural Science Foundation of China, the Beijing Municipal Natural Science Foundation, and the Special Fund for Health Industry Scientific Research. He serves as an editorial board member for numerous medical journals and is a specially appointed expert for the online edition of the Chinese Medical Encyclopedia.