Dr. Jie Li was born in Lingshou, Hebei, China, in 1982. He received B.S. and M.S. degrees from the Hebei University of Technology, Tianjin, China, in 2005 and 2008, and a Ph.D. degree from Northeastern University, Boston, MA, USA, in 2015, all in metallurgical engineering. He is currently an associate professor at North China University of Science and Technology, Qinhuangdao, China. His main research interests include mathematical modeling, metallurgical energy conservation, iron and steel big data, intelligent computation, etc.