Reynold Xin
Co-founder and Chief Architect of Databricks; Apache Spark committer and first author of Shark and GraphX
- Co-Founder and Chief Architect, Databricks12
Reynold Xin is a co-founder of Databricks and its Chief Architect, according to Databricks' Data + AI Summit 2026 speaker page. Xin is listed on the Apache Spark project's committers page and is a bylined author of Databricks' July 2026 post introducing Apache Spark 4.2. Earlier, Xin was first author of the papers on Shark, a system for SQL and rich analytics at scale (2012), and GraphX, which unifies data-parallel and graph-parallel analytics (2014). Xin is also one of the bylined authors of Databricks' June 2024 post on open-sourcing Unity Catalog.134678
Work
Apache Spark (external site: spark.apache.org)Open-source code
Listed as a committer on the Apache Spark committers page, and a bylined author of Databricks' July 2026 post introducing Apache Spark 4.2. The apache/spark repository is published under the Apache-2.0 license.345
Shark and GraphX (external site: arxiv.org)Published research
First author of "Shark: SQL and Rich Analytics at Scale" (2012) and of "GraphX: Unifying Data-Parallel and Graph-Parallel Analytics" (2014).67
Unity Catalog (external site: github.com)Open-source code
One of five bylined authors of the June 2024 Databricks post announcing that Unity Catalog was being open-sourced under the Apache 2.0 license and hosted at LF AI & Data. The repository is Apache-2.0.89
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