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Eli Finkelshteyn Email & Phone Number

Founder and CEO at Constructor at Constructor
Location: United States 13 work roles 2 schools
1 work email found @brandeis.edu 3 phones found area 901 and 650 LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 3 phones

Work email i****@brandeis.edu
Direct phone (901) ***-****
LinkedIn Profile matched
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Current company
Role
Founder and CEO at Constructor
Location
United States

Who is Eli Finkelshteyn? Overview

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Quick answer

Eli Finkelshteyn is listed as Founder and CEO at Constructor at Constructor, based in United States. AeroLeads shows a work email signal at brandeis.edu, phone signal with area code 901, 650, and a matched LinkedIn profile for Eli Finkelshteyn.

Eli Finkelshteyn previously worked as Founder and CEO at Constructor and Advisory Board Member at Mach Alliance. Eli Finkelshteyn holds Master Of Arts, Computational Linguistics from Brandeis University.

Company email context

Email format at Constructor

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*@brandeis.edu
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AeroLeads found 1 current-domain work email signal for Eli Finkelshteyn. Compare company email patterns before reaching out.

Profile bio

About Eli Finkelshteyn

CEO of Constructor. Formerly a Data Scientist/Engineer specializing in Machine Learning, Natural Language Processing, and Distributed Computing. Spent over a decade working on tech problems mostly in ML and NLP. Currently working at Constructor on search and product discovery for some of the largest websites on the internet. Interesting problems for us; product discovery that’s a profit center for our customers.

Listed skills include Machine Learning, Information Retrieval, Natural Language Processing, Sql, and 28 others.

Current workplace

Eli Finkelshteyn's current company

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Constructor
Constructor
Founder and CEO at Constructor
AeroLeads page
13 roles · 12 years

Eli Finkelshteyn work experience

A career timeline built from the work history available for this profile.

Founder And Ceo

Current

San Francisco, Ca, Us

Constructor is a search and discovery platform that helps enterprise e-commerce companies improve their search, navigation, recommendations, and quizzes experiences and conversion rates. Founded by engineers with years of experience in high-growth, high-traffic sites, we strive to deliver the best search and discovery experience available anywhere.

2015 - Present ~11 yrs 6 mos

Advisory Board Member

Current

Online, Oo

Feb 2023 - Present

Advisor

Current

Mu is an early stage venture capital firm investing in the future of commerce.

Dec 2022 - Present

Data Science Engineer

Eli Does Data

Ran a data science consulting firm working with enterprise companies on both coasts of the US. Specialized in machine learning (especially within search), data collection, and warehousing.

Jan 2014 - Nov 2014

Lead Data Scientist

The Backplane Inc.

Backplane was a startup started by Lady Gaga and backed by Sequoia, Greylock, and Founders Fund. It ultimately didn't work out, but getting to lead data science there was a lot of fun.- Led interviewing and built and managed a team of machine learning engineers- Evaluated all associated technologies and coded entire logging system and flow used throughout all of Backplane- Built entire backend portion of our Internal Analytics Portal and led development of associated frontend and visualizations- Created and wrote all backend and machine learning code for Backplane’s personalized feed,­­ which performed 30%+ better than original hot feed in all relevant A/B test statistics.- Built framework for interfacing between Elastic Map Reduce and analytics portal and main site- Built algorithms for generating trending topics, related topics, top users per tag, and others that increased time on site and user retention in A/B tests.- Managed other projects among development of our custom A/B testing framework, people recommendation, user retention stats, and spam detection.

Aug 2012 - Jan 2014

Software Engineer, Data Science

New York, Ny, Us

-Built an implementation of fuzzy autocomplete that increased our E-commerce conversion rate 9.8% in A/B tests.-Implemented improvements to multilingual search that decreased 0 search result pages 20-50% per language in all supported languages.-Helped build out recommendation systems for photos and keywords.

Oct 2011 - Aug 2012

Data Engineer

New York, Us

-Worked on spam and phishing detection system using Python and NLTK, along with Hadoop and PIG for data processing.

Aug 2011 - Oct 2011

Software Engineer, Natural Language Processing

Norwalk, Connecticut, Us

-Worked on information extraction and classification for financial data using Perl, SQL, and MALLET-Improved author classification in analyst reports to increase tagging f-score from .78 to .96 and prevent timeouts-Built a title classification system from scratch to tag titles in financial legal documents using Perl along with MALLET classifiers.

Jul 2010 - Aug 2011

Lead Web Developer / It - Cmjs

Waltham, Ma, Us

-Main software engineer and tech support for the organization starting sophomore year of college.-Optimized registration website that would fail every year due to technical limitations to increase capacity from 300 concurrent users to 3000 using just two servers the company was willing to provide.-Managed biannual registration (10,000+ resource-intensive registrants in the first hour of Open Registration on just two servers back in 2008)-Created and managed a database synchronization system-Added user-requested functionality to administration website-Created and deployed new layout and functionality for various organization websites-Maintained and upgraded computers across the center’s network

Sep 2006 - Jun 2010

Teaching Assistant In Econometrics

Waltham, Ma, Us

-Teaching Assistant for upper level Econometrics class (undergraduate and graduate students)-Explained concepts in Econometrics to students during office hours-Graded tests and homework for 30 students per semester

Jan 2009 - May 2009

Latin Group Study Leader

Waltham, Ma, Us

-Selected to tutor Latin Students in all Brandeis Latin courses-Tutored students on declension, conjugation, and reading comprehension in Latin

Apr 2008 - Dec 2008

Teaching Assistant In Computer Science

Waltham, Ma, Us

-Teaching Assistant two semesters in a row-Explained concepts in data structures to students during office hours-Graded tests and homework for 30 students per semester

Jan 2007 - May 2008

Web Designer

Waltham, Ma, Us

-Improvements to forums and club pages on my.brandeis.edu using TCL, SQL, HTML, and CSS-Standardization of page design for departments at Brandeis-Work with faculty members at Brandeis.edu toward improving page designs.

Sep 2005 - May 2007
2 education records

Eli Finkelshteyn education

Master Of Arts, Computational Linguistics

Brandeis University

Bachelor Of Sciences, Computer Science, Mathematics, Economics

Brandeis University
FAQ

Frequently asked questions about Eli Finkelshteyn

Quick answers generated from the profile data available on this page.

What company does Eli Finkelshteyn work for?

Eli Finkelshteyn works for Constructor.

What is Eli Finkelshteyn's role at Constructor?

Eli Finkelshteyn is listed as Founder and CEO at Constructor at Constructor.

What is Eli Finkelshteyn's email address?

AeroLeads has found 1 work email signal at @brandeis.edu for Eli Finkelshteyn at Constructor.

What is Eli Finkelshteyn's phone number?

AeroLeads has found 3 phone signal(s) with area code 901, 650 for Eli Finkelshteyn at Constructor.

Where is Eli Finkelshteyn based?

Eli Finkelshteyn is based in United States while working with Constructor.

What companies has Eli Finkelshteyn worked for?

Eli Finkelshteyn has worked for Constructor, Mach Alliance, Mu Ventures, Eli Does Data, and The Backplane Inc..

How can I contact Eli Finkelshteyn?

You can use AeroLeads to view verified contact signals for Eli Finkelshteyn at Constructor, including work email, phone, and LinkedIn data when available.

What schools did Eli Finkelshteyn attend?

Eli Finkelshteyn holds Master Of Arts, Computational Linguistics from Brandeis University.

What skills is Eli Finkelshteyn known for?

Eli Finkelshteyn is listed with skills including Machine Learning, Information Retrieval, Natural Language Processing, Sql, Python, Java, Pig, and Perl.

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