Jean-Yves (or "J-Y") Stephan is the CEO & Co-Founder of Data Mechanics, a Y-Combinator-backed startup building a data engineering platform that makes Apache Spark more developer-friendly and more cost-effective. Before Data Mechanics, he was a software engineer at Databricks, the unified analytics platform created by Apache Spark's founders. JY did his undergraduate studies in Computer Science & Applied Math at Ecole Polytechnique (Paris, France) before pursuing a Masters at Stanford in Management Science & Engineering.