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Ryan Sullivan Email & Phone Number

Data Science Lead at City of Chicago
Location: Chicago, Illinois, United States 11 work roles 2 schools
1 work email found @e15group.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email r****@e15group.com
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Current company
Role
Data Science Lead
Location
Chicago, Illinois, United States
Company size

Who is Ryan Sullivan? Overview

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Quick answer

Ryan Sullivan is listed as Data Science Lead at City of Chicago, a company with 6855 employees, based in Chicago, Illinois, United States. AeroLeads shows a work email signal at e15group.com and a matched LinkedIn profile for Ryan Sullivan.

Ryan Sullivan previously worked as Principal, Data and Analytics at Slalom and Senior Consultant, Data & Analytics at Slalom. Ryan Sullivan holds Master Of Business Administration (M.B.A.), Data Analytics from State University Of New York At Buffalo - School Of Management.

Company email context

Email format at City of Chicago

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{first_initial}{last}@e15group.com
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AeroLeads found 1 current-domain work email signal for Ryan Sullivan. Compare company email patterns before reaching out.

Profile bio

About Ryan Sullivan

Data science professional with experience managing a team of data scientists and analysts. I am particularly well versed in demand planning, space utilization optimization, and supply chain optimization with an emphasis on creating scalable solutions using AWS cloud infrastructure: custom, scalable models housed in Docker containers orchestrated with SageMaker and Lambda.

Listed skills include Management, Analysis, Strategy, Consulting, and 35 others.

Current workplace

Ryan Sullivan's current company

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City of Chicago
City Of Chicago
Data Science Lead
united states
Employees
6855
AeroLeads page
11 roles

Ryan Sullivan work experience

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

Data Science Lead

Current

Chicago, Illinois, United States

Oct 2024 - Present

Principal, Data And Analytics

Chicago, Illinois, United States

Jan 2023 - Sep 2024

Senior Consultant, Data & Analytics

Chicago, Illinois, United States

Jan 2022 - Jan 2023

Senior Manager, Data Science

-Led development on a completely serverless demand planning and space optimization solution. This solution uses custom predictive and optimization models housed in Docker containers orchestrated via Lambda and SageMaker.-Demonstrated the ability to create solutions and tools from abstract business requirements in wide variety of analytics disciplines.

Jan 2021 - Jan 2022

Data Science Manager

Jan 2020 - Jan 2021

Artificial Intelligence Analyst

Greater Chicago Area

Jun 2018 - Dec 2019

Bi Analyst Intern

Delaware North

Buffalo, NY

- Implemented a machine learning style algorithm that drastically improved occupancy forecasting for Delaware North’s Park Services. This included mining and transforming complex time series data. - Created a dynamic dashboard for tracking and analyzing resort performance using SAS Visual Analytics, including writing the SQL code that dynamically creates.

Jan 2018 - May 2018

Financial Modeling Intern

S.S. Columbia Project

Greater New York City Area

-Accomplished market research using advanced data scraping techniques: html scraping using Python and the Beautifulsoup package and automated data extraction of tax form 990 files with a bespoke Python program. - Successfully performed a full financial sensitivity analysis of future operational decisions using excel and presented the analysis directly to.

Sep 2017 - Jan 2018

Intern

Greater Detroit Area

-Created new reporting procedures in Microsoft Excel that gained immediate executive visibility and put renewed focus on a particular operational opportunity.-Forecasted loan volume using ARIMA regression techniques in Python and visualized that data in concise, easily interpretable reports for leadership. -Mined, munged, scrubbed, and analyzed data sets..

May 2017 - Aug 2017

Manager

Seattle, WA

  • Led 63 employees and reduced employee turnover 10% over my predecessor by re-evaluating all employee availabilities and personally handling recruiting responsibilities.
  • Reorganized our server workflow and station design, raising our measured attentiveness of server by 11% in Q1 2015 while also lowering our overall percent of comp food from 1.1% to.84% in the same quarter.
  • Two of my direct hires were chosen by leadership to open restaurants in both the United States and Mexico because of their extraordinary fit for their position.
  • Recognized as the Manager of the Quarter for my restaurant 5 times during my tenure due to my unwavering commitment to both our guests and our staff.
Jul 2012 - Sep 2016

Manager/Assitant Kitchen Manager

Newport Beach, CA

  • Managed more than 20 employees, including line cooks, prep staff, dishwashers and stewards.
  • Forecasted and directly managed a culinary operations budget in excess of $200,000 monthly.
  • Managed vendor relations and successfully reduced produce cost by 3% by adding an additional vendor to the restaurant and re-organizing our internal order sheet bi-weekly with updated prices.
  • Scored in the top 10 % among all restaurants in internal food safety audit by implementing a new hourly staff accountability program in the restaurant
  • Managed the hiring cycle for all new culinary hires, including recruiting, on-boarding, and on the job training.
Jun 2011 - Jul 2012
Team & coworkers

Colleagues at City of Chicago

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2 education records

Ryan Sullivan education

FAQ

Frequently asked questions about Ryan Sullivan

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

What company does Ryan Sullivan work for?

Ryan Sullivan works for City of Chicago.

What is Ryan Sullivan's role at City of Chicago?

Ryan Sullivan is listed as Data Science Lead at City of Chicago.

What is Ryan Sullivan's email address?

AeroLeads has found 1 work email signal at @e15group.com for Ryan Sullivan at City of Chicago.

Where is Ryan Sullivan based?

Ryan Sullivan is based in Chicago, Illinois, United States while working with City of Chicago.

What companies has Ryan Sullivan worked for?

Ryan Sullivan has worked for City Of Chicago, Slalom, E15 Group, Delaware North, and S.S. Columbia Project.

Who are Ryan Sullivan's colleagues at City of Chicago?

Ryan Sullivan's colleagues at City of Chicago include Sheila Lane, Dd Lewis, John Richards, Victoria Brown, and Archie Flores.

How can I contact Ryan Sullivan?

You can use AeroLeads to view verified contact signals for Ryan Sullivan at City of Chicago, including work email, phone, and LinkedIn data when available.

What schools did Ryan Sullivan attend?

Ryan Sullivan holds Master Of Business Administration (M.B.A.), Data Analytics from State University Of New York At Buffalo - School Of Management.

What skills is Ryan Sullivan known for?

Ryan Sullivan is listed with skills including Management, Analysis, Strategy, Consulting, Agile Project Management, Leadership, Scrum, and Rally.

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