Dr. Chong-Ju Chae has had experience on board on VLCC for 7 years and was granted a 1 Class deck officer license (Master mariner). After which he joined the academic area and has been researching maritime safety and environment protection technologies. Also, he has attended IMO meetings, in particular IMO MSC and TCC committee, and HTW sub-committee on behalf of the government since 2009. He finished his first master's degree at Korea Maritime and Ocean University and majored in Maritime Safety and Environment Engineering, and second master's degree was Maritime Safety and Environmental Administration(MSEA) in World Maritime University(WMU). And for PhD, he majored in Maritime Technology and Safety Engineering at Korea Maritime and Ocean University. Based on his practical and academic experience, he published various articles and books as author/co-authors such as Oil Tanker, Dynamic Positioning System Operation, IMO Guide Book etc. He is mainly focusing on safety operations of special purpose vessels(i.e. Oil Tanker, DPS, Smart ship, MASS etc.) and environment protection technologies. He is also interested in research on safe operation of ships taking into account human factors and accident analysis, and research on simulator training such as FMSS, VR, and Maritime Autonomous Surface Ship (MASS) remote operation simulator. Raphael Baumler is a head of the Master of Science Maritime Safety and Environmental Administration at the World Maritime University (WMU). He is lead Consultant and project manager for the International Maritime Organization (IMO) on Ballast Water Management Convention (BWMC), Energy Efficiency as per MARPOL Annex VI, Ship recycling, and the Technical Cooperation Division of the IMO. He is also in charge of International Labour Organization (ILO) trainer on Maritime Labour Convention 2006 (MLC2006). He holds a Ph.D. in Risk Management and focuses his academic work on the impact of the vessel's socioeconomical environment on safety and environment. Primarily educated as a dual officer, he has worked on various types of vessels. Dr. Baumler spent 20 years in a seafaring career. He ended this occupation after six years as Master on a large container ship. His sea life drove him to work as Staff Captain on a cruise ship, and he completed various assignments as dual Junior Officer on board container ship, ferry, VLCC and supply vessel.