Zhang Jian, a graduate of Tianjin Medical University, has been a doctor for more than 40 years. He has served as the vice president of Chengdu 420 Factory Workers Hospital, the president of Beijing Yuquanshan Cancer Hospital, the vice president of Dongcheng Chinese Medicine Hospital, and the director of ichthyosis research office of Chinese Academy of Traditional Chinese Medicine as a visiting researcher.

Research direction: main research direction: new principle ammunition technology, target detection and identification technology, new technology of weapon system, etc. In recent years, he has presided over more than one national military scientific research project 10 and published more than 40 academic papers. Many achievements have won the National Defense Science and Technology Award, the Science and Technology Progress Award of Ordnance Industry Group Corporation, and the Teaching Achievement Award of Liaoning Province.

Academic part-time:

At the same time, he is a member of the teaching steering committee of weapons specialty in colleges and universities of the Ministry of Education, a national first-class professional director, a member of the ammunition professional committee of China Military Engineering Society, a leader of demonstration specialty in Liaoning Province, the director of the key laboratory of ordnance science and technology in Liaoning Province, the director of the key laboratory of weapons science and technology research in colleges and universities in Liaoning Province, and the vice chairman of Liaoning Machinery Society.