Prof. Haijun Geng currently works as a Professor and Doctor's Supervisor at the School of Automation and Software Engineering, Shanxi University. He obtained his Ph.D. from the School of Computer Science and Technology, Tsinghua University. He is a big data expert at the Shanxi Provincial Department of Industry and Information Technology and a scientific communication expert at the Provincial Association for Science and Technology. His research interests include network security and network architecture. He is mainly responsible for teaching courses: Network and Computing, and Computer Networks.