Zhang Linjie, born in May 1973, Doctor of Engineering, professor of Xi'an Jiaotong University, mainly engaged in experimental and numerical simulation research on laser welding and laser additive manufacturing. Standing member of "Youth Working Committee" of China Welding Society, member of "Computer Aided Welding Engineering Committee" of China Welding Society, deputy director of "Welding Mechanics and Structure Design and Manufacturing Committee" of China Welding Society. He has published more than 150 SCI papers, was authorized more than 20 patents, and participated in the compilation of 1 book.