Learning and Operating Presto

Angelica Lo Duca is a researcher with a PhD in Computer Science. She currently works in Research and Technology at the Institute of Informatics and Telematics of the Italian National Research Council. Her research areas include Data Science, Machine Learning, Text Analytics, Data Visualization, Data Journalism, and Web Applications. She has also worked with Network Security, Semantic Web, Linked Data, and Blockchain. Additionally, she serves as a professor at the University of Pisa, where she teaches Data Journalism.

Tim has been fascinated by data problems for much of his career and has been working on the Presto project since 2018. He currently works at IBM and heads the Presto Technical Steering Committee. Before IBM, he worked at Meta, Bloomberg, Goldman Sachs, among others.

Vivek is the Cofounder and Principal Software Engineer at Ahana. Previously, Vivek was a Software Engineer at Uber where he managed Presto clusters with more than 2,500 nodes, processing 35PB of data per day, and worked on extending Presto to support Uber’s interactive analytics needs. Prior to Uber, Vivek was an early member of the query-optimizer team at Vertica Systems and made several contributions to the core database engine and the Vertica ecosystem. Earlier in his career at the Laboratory for Artificial Intelligence Research, he developed emerging technologies in decision-support systems and reasoning systems. His Presto contributions include the pushdown of partial aggregations. Vivek holds a M.S. in Computer Science and Engineering from The Ohio State University.

Ying is the performance architect at Ahana, where she works on building more efficient and better price-performant data lake services on Presto and Velox. She has worked for Microsoft SQLServer and Meta Presto in the past and is a Presto committer and TSC board member.