Hershel Don
Technical Skills
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Programming Languages: Python, JavaScript, R, C, C++, Java, MATLAB
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Data & Analytics: SQL, NoSQL, Machine Learning, Statistical Analysis
including Time Series methods, Visualization
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Development: React, NextJS, Flask, Dash, Power Platform, Salesforce, AWS
Recent Projects
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21.hdon.me - A Blackjack game
built with JavaScript.
Professional Experience
Data Analyst
Cook County Sheriff's Office, Business Intelligence Unit- Chicago, IL
(Full-Time, Hybrid)
October 2024 - Present
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Develop Power Platform solutions (Power Apps, Power Automate,
SharePoint) to transform data into actionable insights and optimize
operational efficiency.
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Partner with stakeholders to deliver user-friendly applications that
enhance data collection and facilitate analysis.
Data Analyst
The Ark - Chicago, IL (Full-Time, On-Site)
July 2024 - September 2024
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Responsible for data modeling, analysis, visualization, reporting, and
Salesforce administration support for stakeholders spanning clients,
cross-functional internal teams, board members, and grant-providing
organizations.
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Applied unsupervised machine learning and natural language processing
algorithms to client services and survey data, generating insights into
need, utilization patterns, and satisfaction.
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Conducted testing and facilitated staff onboarding for new third-party
platform integrations with Salesforce, including an online market for
placing food pantry orders and a donations portal.
Rewards Program Marketing Analyst
Gold Rush Amusements - Hoffman Estates, IL (Full-Time, On-Site)
February 2023 - March 2024
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Led data utilization strategy including analytics and reporting for a
rewards program serving tens of thousands of users across over one
hundred establishments state-wide.
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Produced recommendations to optimize the timing and cost of rewards &
marketing initiatives.
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Conducted competitor research including geographic market share
reporting.
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Established fraud detection protocols and built tools to support program
integrity and compliance.
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Developed and maintained internal dashboards and a web portal for our
external partners.
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Planned feature updates and coordinated database integrations with
third-party developers.
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Presented results to internal teams and external partners to foster
informed decision-making.
- Supported promotional, charity, and local event outreach.
Education
Master of Science (M.Sc.) in Computer Science with Data Science
specialization (3.63 GPA)
DePaul University - Chicago, IL
September 2019 - June 2022
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Courses included: Neural Networks and Deep Learning, Programming Machine
Learning Algorithms, Mining Big Data, Fundamentals of Data Science, Time
Series Analysis and Forecasting, Data Analysis and Regression, and
Database Technologies.
Bachelor of Science (B.Sc.) in Computational Biology with Honors (3.49
GPA)
Florida State University - Tallahassee, FL
August 2014 - May 2018
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Graduate-level courses included: Introduction to Big Data Mining,
Computational Neuroscience, and Computational Evolutionary Biology.
- Four Semesters on the Dean's List.
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Undergraduate Research Assistant at The Kumar Lab, FSU Department of
Biomedical Sciences (May 2016 - May 2018)
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2018 Bess H. Ward Honors Thesis Award recipient for thesis titled
"Parasubicular Neurons in Temporal Lobe Epilepsy" with results published
in the journal Neuroscience: