张友生

Zhang Yousheng holds a PhD in Computer Application Technology and completed postdoctoral research in Management Science and Engineering. He is a nationally certified senior programmer and systems analyst, graduated from Tsinghua University, and currently works at the Graduate School of Tsinghua University. He serves as chief consultant of the Xisai Advisory Group and chief architect of Xisai.net, editor-in-chief of the designated textbook series for the national software proficiency exam, and head of the exam syllabus development for systems analysts, systems architects, and information system project managers. He has edited more than 30 books as first author. The library contains two of his works: Walking Out of Confusion: Records of 37 Successful Drug Rehabilitation Cases and Du Shang Baidu, commonly classified under exams and law. Public information on his legal-themed writing is limited, and further details on his subject choices and writing style remain to be supplemented.