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Dr Alexandra Posoldova is the Founder of Sigma Services and currently serves as the Data Science Lead at Eagers Automotive Limited. Prior to their current roles, Dr Alexandra held positions such as Chair at IEEE Queensland Section, Senior Data Scientist at Blackbook.ai, and Machine Learning Engineer at Pinch Labs. With a background in Artificial Intelligence and Computer Systems Networking, Dr Alexandra has also been actively involved in various leadership roles within the IEEE organization, showcasing their expertise in data science and machine learning.