Julian Hyde

Database and BI

Julian Hyde is a Senior Staff Software Engineer at Google, based in Berkeley, California. He has been in this role since December 2019.1 Hyde is a prominent figure in the open-source database community, known for his contributions to several significant projects:

Career Highlights

Creator of Apache Calcite: Hyde is the original developer of Apache Calcite, an open source framework for building data management systems.2 He continues to be actively involved as a PMC (Project Management Committee) member.1
Mondrian OLAP Engine: He founded and was the lead developer of Mondrian, a popular open-source OLAP (Online Analytical Processing) engine, which he started in 2001.1
Apache Software Foundation: Hyde is a member of the Apache Software Foundation and serves as a PMC member for multiple projects including Arrow, Drill, Eagle, Incubator, and Kylin.1

Professional Experience

Before joining Google, Hyde held several notable positions:

Architect at Looker (March 2018 - December 2019)
Architect at Hortonworks (October 2013 - February 2018)
OLAP Architect at Pentaho Corporation (2005 - September 2013)
Founder and Chief Architect at SQLstream (September 2003 - July 2011)

Contributions to Open Source

Hyde's work has significantly impacted the field of database management and analytics:

Apache Calcite: This project aims to create a common algebra for data engines, enabling them to communicate effectively.1
Morel: He developed Morel, a functional query language.2
Research: Hyde has published several papers on query processing, data management, and streaming SQL technologies.3

Expertise

Julian Hyde specializes in:

Database systems
Query optimization
OLAP technologies
Open-source software development
Big data processing

His work at Google likely involves leveraging his extensive experience in database technologies to contribute to projects such as Looker and BigQuery.2