Prof. Yanjun Liu obtained his master’s degree from Shandong Industry University in 1989 and his PhD from Shandong University in 1991. He is the leader of the Marine Equipment and Information Engineering discipline at the Institute of Marine Science and Technology of Shandong University. He is currently the standing Director of the China Association of Oceanic Engineering (Marine Renewable Energy Branch, Deep-sea Technology and Engineering Branch, Future Marine Alliance Marine Technology Branch), the standing Director of the China Oceanographic Development Institute Deep-sea Science and Technology Branch, and a leader in the field of marine engineering equipment. His research interests include the development of marine energy utilization equipment and deep-sea detection technology, fluid power control systems, and the intelligent control and dynamic detection of mechanical systems.