Discover how Bank of Montreal (BMO) successfully executed a massive 1.5 petabyte data platform migration to AWS in this 42-minute conference session from AWS re:Invent 2023. Following BMO's acquisition of Bank of the West, explore the collaborative effort between BMO and AWS Professional Services (ProServe) that transformed their data and analytics ecosystem within a nine-month timeframe. Learn automation strategies for large-scale migrations using various AWS services including AWS SCT, Snowball, Glue, Apache Airflow, Lambda, EventBridge, DynamoDB, and Amazon Redshift. Gain valuable insights into managing post-acquisition challenges, resource mobilization, migration preparation, organizational alignment, and implementation best practices that can be applied to similar large-scale cloud migration projects.