Chao Chen is a Ph.D. candidate at Delft University of Technology. His research is focused on chemical security risk and domino risk. He gained his M.Sc. in Safety Engineering of Oil & Gas Storage and Transportation, BEng in Oil & Gas Storage and Transportation, and Bachelor of Business Management (BBM) in Business Administration from Southwest Petroleum University. He has published around 15 journal articles. Genserik Reniers was appointed as a full professor at the Delft University of Technology, at the Safety and Security Science Group, in 2013. He is also a professor (in a part-time capacity) both at the University of Antwerp and at the Kuleuven, both in Belgium, lecturing amongst others in engineering risk analysis and risk management. He is also a director of the MOSHE Education at TUDelft. His main research interests concern domino effects, the collaboration surrounding safety and security topics, and socio-economic optimization within the chemical industry. He has extensive experience in leading research projects funded both from public and private sources. He has authored more than 200 papers in impact factor journals and has authored and co-authored, as well as edited, some 40 scientific books. Ming Yang joined the Safety and Security Science Section at the TU Delft as an Assistant Professor on June 1st, 2020. His research develops qualitative and quantitative approaches for safety and environmental engineering and management problems in the process and marine industries. He has authored and co-authored more than 60 international peer-reviewed journal and conference papers in the field of safety, risk, and environmental engineering. In light of the author Chao Chen. Now he is a postdoctoral researcher rather than a Ph.D. candidate.