Education
Hellerstein attended Harvard University from 1986-1990 and pursued his masters in Computer Science at University of California Berkeley from 1991-1992.
Hellerstein attended Harvard University from 1986-1990 and pursued his masters in Computer Science at University of California Berkeley from 1991-1992.
He co-founded Trifacta with Jeffrey Heer and Sean Kandel in 2012, which stemmed from their research project, Wrangler. He has made seminal contributions to many areas of database systems, such as ad-hoc sensor networks, adaptive query processing, approximate query processing and online aggregation, declarative networking, and data stream processing.