Rex Walker

Rex Walker is an accomplished Principal Data Architect with extensive experience in data architecture and analytics across various industries, including fintech, healthcare, and e-commerce. Currently at Extra Card, Rex oversees data operations and analytics, while previous roles include shaping data solutions at Bay1 and Medidata Solutions, where significant enhancements were made to clinical trials reporting and data warehouse capabilities. Rex has a proven track record in leading engineering teams, designing scalable data models, and implementing advanced data solutions using technologies such as Snowflake, Oracle, and Redshift. With a Bachelor of Science in Computer Science focused on Business Systems Development from Metropolitan State University of Denver, Rex has demonstrated expertise in improving data processes and infrastructure in numerous high-impact roles, including at eBay and Yahoo!.