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Chang Liu serves as the Chief Technology Officer at Human Financial Pty Ltd since November 2018, overseeing technology innovation and investment management strategies. Prior experience includes roles as Technical Lead and Quantitative Analyst at Alpha Beta Capital Pty Ltd, focusing on developing intraday models for Asian stock markets, as well as serving as a Research Assistant at the University of Technology Sydney, where Chang designed advanced secure data encryption schemes. Earlier experience includes an internship as a Software Engineer at DaoliCloud Ltd, implementing security modules for a public cloud infrastructure. Chang Liu holds dual Ph.D. degrees in Computer Science from the University of Technology Sydney and Beijing Institute of Technology, where a Bachelor's degree in Computer Science was also obtained.