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With Greg Ratner (Founder/CTO, & Thibault Sellam (Data Science Researcher, Columbia).
Tuesday, February 20, 2018 at 06:30 PM   Absolutely Free
Greenhouse HQ, 110 Fifth Ave, 3rd Fl

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The internet has spoken - Stacky McStackface is happening! We hope you can join us for a night of data analytics stacks & tools. Once things wrap up, if you'd like to continue to talk shop we'll head to Lillie's on 17th & 5th.

~ Presentation #1 ~ Data Stack: 0 to 100 in under a week (~25 mins)

Greg Ratner, Co-Founder & CTO @

Greg Ratner is co-founder & CTO of, an NYC startup building artificial intelligence & workflow automation for Sales & Customer Success teams. Greg is a serial entrepreneur with passion for functional programming who has over 15 years of experience building & leading teams & scaling distributed software systems.

Talk Abstract: Greg will share a practical guide on how to build a full data engineering stack from the ground up for a growing startup. We will talk about the challenges of setting up business intelligence & data engineering solutions rapidly & discuss 3rd party tools available to simplify this process. At the end of this talk you will be armed with a blueprint to allow data-centric decision making in your organization & empower your business users with data.

~ Presentation #2 ~ Mining Precision Interfaces from Query Logs (~30 mins)

Thibault Sellam, Data Science Researcher @ Columbia University (

Thibault Sellam is a postdoctoral scientist at Columbia, working on data exploration, human-in-the-loop machine learning & more generally anything that involves data management, AI & people. Previously, Thibault was a PhD student at the University of Amsterdam (the Netherlands) where he studied data mining, & he took several breaks to work in the industry (Microsoft Research, JPMorgan) & tour with a French pop band.

Talk Abstract: Interactive tools make data analysis both more efficient & more accessible. Yet, designing interactive interfaces requires technical expertise & domain knowledge. Experts are scarce & expensive, & therefore it is currently infeasible to provide tailored (or precise) interfaces for every user & every task. In this talk, I will present a data-driven approach to generate tailored interactive interfaces. I will introduce Precision Interfaces, a system that examines an input query log, identifies how the queries change, & generates interactive web interfaces to express the changes.

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