Thierry Cruanes is a Founder of Snowflake Computing Inc. and serves as its Architect and Director. Thierry Cruanes is a leading expert in query optimization and parallel execution. He spent 13 years at Oracle focused on the optimization and parallelization layers in Oracle databases including as lead for the optimization group. Before Oracle, he spent seven years at the IBM European Center of Applied Mathematics working on data mining technologies.He has a PhD in Computer Science with a focus in Database Systems and holds over 40 patents.