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Jo Hjersman is a highly skilled professional with extensive experience in data science and engineering. Currently serving as a Senior Data/Applied Scientist at The Commons XR since March 2021, Jo has significantly improved data models and pipeline integration, reducing costs by over 66%. Previous roles include Data Engineer and Data Scientist/Advisor, where Jo optimized ETL processes and implemented data analytics practices. Additional experience as a Mentor at DataExpert.io and instructional staff at UC Berkeley Extension highlights a commitment to education and guiding others in data engineering principles. Jo began a career in data analysis at Bob’s Bouncing Bungalows, contributing to revenue growth and customer retention. An undergraduate researcher at UC Davis, Jo collaborated with experts on machine learning projects and holds a Bachelor of Science in Applied Mathematics and Computer Science from the University of California, Davis.