Joe Hellerstein

Joe Hellerstein is Trifacta’s ?( co-founder, chief strategy officer, and the Jim Gray chair of Computer Science at UC-Berkeley. His career in research and industry has focused on data-centric systems and the way they drive computing. Fortune magazine included him in its list of 50 smartest people in technology, and MIT’s Technology Review magazine included his work on its TR10 list of the 10 technologies “most likely to change our world.” 

Articles by Joe Hellerstein

You've probably heard of ETL, or heard somebody talk about "ee-tee-elling" their data. It's a technology from the days of big iron for extracting data from many relational databases, transforming it to a corporate standard schema, and loading it into another unified relational database. That target database, the enterprise data warehouse (EDW), was intended to be a "single source of truth" for the enterprise. It included all the data that IT deemed fit (and available) for decision makers to use.

Posted December 02, 2019

Competitive business strategy increasingly relies on data analytics. The core techniques of data analysis are increasingly accessible thanks to commodity Business Intelligence packages, modern open source AI tools, and cloud services. Given this level playing field for software and algorithms, competitive advantage typically lies in the unique data that a business can gather and feed into its analytics pipelines.

Posted March 04, 2019