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Jeff Chang is currently working at AUO as a Lean Six Sigma Master Black Belt/Manager, overseeing various quality improvement projects in different Business Units. Prior to their current role, Jeff also held positions at Liteon and Macronix International Co. Ltd, focusing on lean 6 sigma deployment and quality improvement in manufacturing sites. Jeff also has a strong background in statistics, holding a Master's degree in Statistics Science from National Chengchi University.