Jack Zhao is a Machine Learning Engineer currently at Meta, with previous experience as a Machine Learning Engineer II at Amazon. At Amazon, Jack contributed significantly to the Amazon Nova Family of Models and was involved in the development of Amazon's state-of-the-art internal ML training infrastructure and Amazon Titan Models. Prior to these roles, Jack served as a Software Development Engineer for ElasticSearch development for Amazon Freight and worked at Amazon Web Services. Jack's early experience includes a position as a Private Equity Analyst at Bellator Trust, focusing on the B2B SaaS industry. Jack holds a Bachelor of Science in Computer Science from the University of California, Los Angeles, awarded in 2022.