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Justin Chang is a skilled Deep Learning Engineer at samvid.ai, where responsibilities include engineering an LLM-based QA system for logistic document queries using Retrieval-Augmented Generation. Currently serving as a Data Analyst for the City and County of San Francisco, Justin also contributes as a Student Ambassador for the Masters of Business Analytics Program at Santa Clara University, and has shared insights as an Alumni Speaker for the Business Analytics Program at San Jose State University. Previous experience includes internships at the San Francisco Municipal Transportation Agency in both the Transit Division and the Information Technology and Finance Division, as well as roles such as Instructional Student Assistant and IT Consultant at San Jose State University. Justin holds a Master of Science in Business Analytics from Santa Clara University and a Bachelor's degree in Management Information Systems from San Jose State University.