Joseph M. Hellerstein
Joseph M. Hellerstein is an American professor of Computer Science at the University of California, Berkeley, where he works on database systems and computer networks. He co-founded Trifacta with Jeffrey Heer and Sean Kandel in 2012, which stemmed from their research project, Wrangler.Education
Hellerstein attended Harvard University from 1986-1990 and pursued his masters in Computer Science at University of California, Berkeley from 1991-1992.Ph.D Studies and Research
He received his PhD from the University of Wisconsin, Madison in 1995, for a thesis on query optimization supervised by Jeffrey Naughton and Michael Stonebraker. 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.Awards and recognition
His work has been recognized via awards including an Alfred P. Sloan Fellowship, MIT Technology Review's inaugural TR100 list and , Fortune 50 smartest in Tech, and three ACM-SIGMOD "Test of Time" awards. He is a Fellow of the Association for Computing Machinery. Key ideas from his research have been incorporated into commercial and open-source database software released by IBM, Oracle Corporation, and PostgreSQL. He has also held industrial posts including Director of Intel Research Labs, and Chief Scientist of Cohera Corporation.
