Ari Kobren

Amherst, Massachusetts, USA
akobren (at) cs (dot) umass (dot) edu
resume (PDF)

I am a research scientist in the Machine Learning Research Group of Oracle Labs in Burlington, MA. I am interested in studying how computational tools--especially those that are powered by machine learning--can be used safely and to promote social good. I am broadly interested in machine learning, efficient algorithms, and data structures.

Before Oracle, I completed a Ph.D. at UMass Amherst working in the Information Extraction and Synthesis Laboratory with Professor Andrew McCallum. I received a B.S. in Computer Science from Tufts University and worked as a researcher at MIT Lincoln Laboratory building intelligent decision support systems. I spent the summers of 2014 and 2016 interning at Google.


Invited Talks

  • Online Algorithms for Extreme Clustering. Tufts CS Rising Star Colloquium Series. October, 2018. [Announcement][Slides]
  • Getting More for Less: Optimized Crowdsourcing with Dynamic Tasks and Goals. UMass Machine Learning and Friends Lunch Seminar Series. February, 2015. [Announcement]

About Me

I received a B.S. in Computer Science from Tufts University and worked as a researcher at MIT Lincoln Laboratory building intelligent decision support systems for US intelligence analysts. I spent the summer of 2014 at Google MTV training models of worker-task interaction that I used to optimize a new crowdsourcing platform. I spent the summer of 2016 at Google NYC building deep networks to predict attributes of the locations in Google Maps.

I was the chief designer and maintainer of, a database of scientific affiliations and collaborations and conference management. Our backend integration engine dynamically produced ReSearcher's content by synthesizing multiple sources of data including edits from users. ReSearcher was used by ICCV, ECCV, CVPR and MICCAI to help identify conflicts of interest in peer review and automatically produce matchings of papers to reviewers. The tool is no longer supported, but its functionality has been implemented in, a fully-featured and customizable conference management tool, which I am also involved with.

Mentees and Students


  • ICML '20 Reviewer (Top 33% of Reviewers)
  • KDD '20 Reviewer
  • NeurIPS '20 Reviewer
  • NeurIPS '19 Conference, Reviewer
  • EMNLP '19 Conference, Reviewer
  • ICML '19 Conference, Reviewer
  • AKBC '19 Conference, Local Co-Chair & Webmaster
  • NAACL '19 Conference, Reviewer
  • NIPS '18 Reviewer (Top 30% of Reviewers)
  • Machine Learning and Friends Lunch, Organizer, 2017-2018
  • TKDD '17, Reviewer
  • WSDM '16, Reviewer
  • EMNLP '15, Reviewer

Other Fun Stuff

In my spare time, I enjoy cooking (especially ethnic foods that involve uncommon spices), learning for free, climbing, playing soccer and other sports, composing/playing music, fermenting things, snowboarding, playing German-style board games, traveling the world, listening to NPR (e.g. The Moth Radio Hour and wNYC's RadioLab), eating gummy candy, and learning about philosophy, food systems, religion, and nutrition.

In a previous life, I was a varsity college soccer player, I co-found a start-up and was a junior olympic Tae Kwon Do champ.

My favorite book is Zen and the Art of Motorcycle Maintenance.

Copyright © Ari Kobren 2018