Zhang Long, doctor of law, associate professor and tutor of master students. 1 Zhang Long, born in Changchun City, Jilin Province. Bachelor of Law, Master of Law, Doctor of Law, Jilin University, Associate Professor and Master Supervisor of Law School of Beijing Technology and Business University. He used to be the director of the theoretical law teaching and research section of the School of Law of Beijing Technology and Business University, and concurrently served as the vice chairman of the trade union of Beijing Technology and Business University and the chairman of the Youth Federation. Member of Beijing Fangshan Youth Federation, director of Beijing Law Society, director of Beijing Law Society's Enterprise Rule of Law and Development Research Association, and director of Beijing Comparative Law Research Association.