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Ivan Leonov Email & Phone Number

All others must bring data. at Toloka
Location: Greater Chicago Area, United States 13 work roles 5 schools
1 work email found @epam.com LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email i****@epam.com
LinkedIn Profile matched
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Current company
Role
All others must bring data.
Location
Greater Chicago Area, United States

Who is Ivan Leonov? Overview

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Quick answer

Ivan Leonov is listed as All others must bring data. at Toloka, based in Greater Chicago Area, United States. AeroLeads shows a work email signal at epam.com and a matched LinkedIn profile for Ivan Leonov.

Ivan Leonov previously worked as Customer Solutions Architect at Toloka and Sr Data Scientist at Gavs Technologies. Ivan Leonov holds Mathematics from University Of Chicago.

Company email context

Email format at Toloka

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{first}_{last}@epam.com
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AeroLeads found 1 current-domain work email signal for Ivan Leonov. Compare company email patterns before reaching out.

Profile bio

About Ivan Leonov

I feed large models with top quality data. Background in Mathematics, Data Science, and Programming. Experience managing and technology projects and operations. I build, consult, and teach.

Listed skills include Databases, Advertising, Analytics, Data Analysis, and 25 others.

Current workplace

Ivan Leonov's current company

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Toloka
Toloka
All others must bring data.
AeroLeads page
13 roles · 30 years

Ivan Leonov work experience

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

Customer Solutions Architect

Current

Amsterdam, Nl

Provide data labeling solutions for cutting edge AI projects

Feb 2024 - Present

Sr Data Scientist

Princeton, New Jersey, Us

Bridge research and production. Development, deployment, MLOps. Azure, AWS, on prem.

Jan 2023 - Dec 2023

Data Science Consultant

Self-Employed

Help companies with their Data Science and Analytics needsBuild AI and Analytics solutions

Jan 2022 - May 2023

Data Science Team Lead

Lebanon, Nh, Us

Lead a team of Data Scientists to build a predictive analytics service, to optimize AppCast bidding strategy, using advance Machine Learning techniques. The service enabled the company to improve its operating marginUsed statistical analysis to build a service that predicts job application volume based on advertising cost. The solution allowed the customers to better allocate their budgets, increasing the company revenue

May 2019 - Dec 2021

Data Scientist

London, United Kingdom, Gb

Use Machine Learning and other techniques to develop customer-level insights, that drive both long term strategy and near-term operations for Gismart Marketing team.

May 2018 - Mar 2019

Data Scientist

Newtown, Pa, Us

Identify business problems, and use Data Science techniques to address them. Build statistical models, write machine learning algorithms in Python and R, utilize Big Data technologies such as Spark and Hadoop. Conduct internal reasearch, evaluate data analysis tools.

Dec 2015 - May 2018

Data Science, Product And Operations Consultant

Parliament Analytics

Help digital advertising companies implement latest data technologies, analytic and Data Science solutions, and improve operational efficiency. Work with the business side of companies to determine goals. Architect solutions, produce functional and technical requirements. Work with tech teams on defining roadmap and deliverables, user acceptance, and tracking progress.

Nov 2011 - Dec 2015

Product Manager, Data And Analytics

New York, Ny, Us

Used Big Data and Machine Learning to improve network-wide KPIs, help publishers generate more revenue from their audiences, and improve user experience and retention.Lead a cross-functional team of domain experts, data scientists, and software engineers, to build a network-wide optimization system. Created a BRD laying out the need for a comprehensive data and analytics platform, and PRD describing the functional requirements for the platform.Helped lay the foundation of Genesis flagship product, GAP (Genesis Attention Platform). As part of the Product team, worked on the product roadmap, created user storied, and defined requirements for the product. Prioritized product features to be implemented. Presented the requirements to the tech team at Scrum meetings. Co-authored a methodology that allows the network and its publishers to optimize content monetization at the individual article level (patent pending)

Feb 2013 - Jan 2015

Ad Operations Manager

Us

• Lead a cross-functional team of data analysts, software engineers, and data scientists responsible for providing audience insights, targeting and optimization• Managed day-to-day Ad Operations to ensue campaign delivery• Manage data partner relationships and product development.• Provided operational and financial reporting to management, clients, and publishers• Performed business analysis and gather requirements for the Web-based Network Task Management system• Coordinated brand studies

May 2008 - Dec 2012

Reporting Architect

Recyclebank

As a team lead, designed and built the corporate reporting system, using CrystalReports and MySQL. Gathered requirements, assigned responsibilities among the team members, developed reports, conducted testing and user training.

Jan 2008 - May 2008

Software Engineer

New York, Ny, Us

Provided video plays reporting for MTV web site partners. Built reports using Sybase T-SQL and Python. Enhanced the database design to handle international web sites.

Dec 2006 - Dec 2007

Data Analyst

New York, Ny, Us

Built an OLAP datamart for the Marketing department of TV Guide magazine using SQL Server. Developed DTS packages to maintain the datamart and perform statistical analysis. Handled day-to-day List Rental operations.

Apr 2003 - Mar 2005
5 education records

Ivan Leonov education

Mathematics

University Of Chicago

Applied Mathematics

Illinois Institute Of Technology

Mathematics

Belarusian State University

Engineering Education

Belarusian National Technical University

Education record

16
FAQ

Frequently asked questions about Ivan Leonov

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

What company does Ivan Leonov work for?

Ivan Leonov works for Toloka.

What is Ivan Leonov's role at Toloka?

Ivan Leonov is listed as All others must bring data. at Toloka.

What is Ivan Leonov's email address?

AeroLeads has found 1 work email signal at @epam.com for Ivan Leonov at Toloka.

Where is Ivan Leonov based?

Ivan Leonov is based in Greater Chicago Area, United States while working with Toloka.

What companies has Ivan Leonov worked for?

Ivan Leonov has worked for Toloka, Gavs Technologies, Self-Employed, Appcast, Inc, and Gismart.

How can I contact Ivan Leonov?

You can use AeroLeads to view verified contact signals for Ivan Leonov at Toloka, including work email, phone, and LinkedIn data when available.

What schools did Ivan Leonov attend?

Ivan Leonov holds Mathematics from University Of Chicago.

What skills is Ivan Leonov known for?

Ivan Leonov is listed with skills including Databases, Advertising, Analytics, Data Analysis, Online Advertising, Digital Media, Management, and Agile Methodologies.

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