Dr.Yungen Fang, Doctor Graduate of Traffic Information Engineering and Control in Tongji University; Vice General Manager of Rail Department of TÜV Rheinland Great China Group. Singapore SMRT and LTA recognized Software Safety Assessor; German TÜV Rheinland InterTrafic GmbH Qualified Safety Expert; CNAS(China National Accreditation Service for Conformity Assessment) Recognized Railway Signalling System Safety Assessor. Experience: Graduated from Civil Aviation University of China as an Engineering Master in 2006, then Joined TÜV Rheinland German as a Safety Consultant of Aviation System and Railway System, participated and performed the safety assessment of 1st Chinese Safety Integrity Level 4 Railway Computer-Based Interlocking System in 2008, after that, participated the safety assessment for computer-based safety critical control systems in China, Malaysia, Singapore and Korea, such as Automatic Train Protection System, Communication Based Train Control System, Automatic Train Supervision System, Axle Counter, Cab Signal, Brake Control System, Driverless Metro System. Since 2011, started the Doctor Graduate study and research work in the field of Automatic Train Control System Safety Assurance and Assessment, Hazard Identification and Risk Assessment.