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Andrew Tatrai, Ph.D., is an accomplished professional with extensive experience in crowd management and security. As the Group Founder of Dynamic Crowd Measurement since April 2017, Andrew Tatrai has developed software solutions to enhance crowd management decision-making by measuring crowd density, flow, and mood using existing CCTV infrastructure, benefiting transport hubs and smart city operations. Additionally, serving as Chairman and Non-Executive Director at Australian Concert and Entertainment Security since 1980, Andrew Tatrai oversees a comprehensive range of security services, including crowd planning consultancy and risk management. Educational achievements include a Ph.D. in Management with a focus on social complexity from Macquarie University, a Ph.D. in Business and Management from the University of Technology Sydney, a Master's in Risk Management from Monash University, and a Master's in Commerce along with a Bachelor's in Applied Science from UNSW.