I’m an aspiring data analyst with a passion for turning numbers into narratives that drive smarter decisions.
With a strong foundation in computing, data visualization, and analytical thinking, I thrive on exploring patterns, uncovering insights, and presenting findings that make an impact. I’m eager to apply my training and curiosity to real-world data challenges, and to keep learning every step of the way.
| Website | Purpose | Link |
|---|---|---|
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Skill Development | https://www.coursera.org/learner/stephencz |
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Code Repositories and VCS | https://github.com/stephencz |
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Data Analytics Notebooks | https://www.kaggle.com/stephenczekalski |
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Professional Networking | https://www.linkedin.com/in/sczekalski/ |
Education
Computing and Informatics is a general information technology program that exposes students to a wide range of computing topics. Coursework included software engineering fundamentals, database design and administration, networking, cybersecurity, and data analysis.
Highlights of my education include:
- Leading a small team of programmers through a semester long, multi-phase simulated work experience, culminating in the delivery of a fully function web application.
- Collecting data on supermarket chains in New Jersey to examine their geographic distribution relative to municipality-level socioeconomic indicators.
- Applying R programming skills in an Advanced Programming Workshop to perform data cleaning, analysis, and visualization.
- Designing and implementing a relational database schema to integrate and map information from four distinct REST APIs.
Certifications
Completed the Google Data Analytics Professional Certificate, gaining hands-on experience across the entire data analytics process.
- Practiced full-cycle analytics: defining business questions, cleaning and transforming data, analyzing with SQL and R, and visualizing results.
- Strengthened skills in data storytelling and analytical thinking.
- Built dashboards and reports using Tableau, spreadsheets, and other visualization tools.
- Developed confidence in translating raw data into clear, actionable insights for decision-making.
Earned the Microsoft Excel Professional Certificate, advancing my expertise in data analysis, automation, and visualization within Excel.
- Mastered core and advanced Excel functions, including formulas, pivot tables, and data cleaning techniques.
- Applied macros and VBA to automate tasks and streamline workflows.
- Designed and built interactive dashboards for dynamic data reporting.
- Gained hands-on experience structuring, analyzing, and visualizing business data efficiently in Excel.