Doug Terry is a Senior Principal Technologist in the AWS Database Services team focusing on global databases (Amazon DynamoDB) and large-scale data warehouses (Amazon Redshift). Prior to joining Amazon in 2016, Doug led innovative research at Xerox PARC, Microsoft, and Samsung. He is known for his work on distributed systems, such as the development of ubiquitous computing and eventual consistency. He has served on numerous program committees as well as chair of ACM SIGOPS. Doug has a Ph.D. from U. C. Berkeley.