Data Analyst | CMU Graduate Student

I turn complex data into clear business actions.

I build dashboards, clean high-volume datasets, run regression and forecasting, and deliver insights teams can use quickly.

Open to Remote, Hybrid, and Relocation opportunities.

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Records Analyzed

227K+

Dashboard Focus

Tableau + BI

Location

Michigan, USA

Open to Data Analyst and BI roles

SQL | Python | Tableau | R

About Me

I enjoy turning raw operational data into understandable stories. My recent work includes usage analytics on large log files, dashboard development, and optimization-driven forecasting projects. I focus on outputs that are accurate, practical, and easy for non-technical stakeholders to act on.

Skills That Create Impact

SQL and Data Modeling

Advanced

Query optimization, joins, schema design, and reporting-ready pipelines.

Python Analytics

Advanced

Pandas, cleaning workflows, exploratory analysis, and model preparation.

Tableau and BI

Advanced

Interactive dashboards, filtering logic, and business storytelling.

R and Statistical Analysis

Strong

Regression, trend analysis, and research-focused data workflows.

Forecasting and Optimization

Strong

Scenario simulation, sensitivity analysis, and recommendation models.

Excel and Reporting

Advanced

KPI tracking, business reporting, and decision support artifacts.

Featured Projects

Donation and Charity Management System

Built a structured database process to replace manual logs and improve reporting quality.

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Climate Forecasting and Optimization

Modeled long-range scenarios with regression, sensitivity analysis, and optimization logic.

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VDI System Utilization Analysis in R

Analyzed 227,386 records to identify demand peaks and guide capacity planning decisions.

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Business Performance Analytics in R

Integrated multi-region data and analyzed shipping performance and profitability metrics.

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Global Work Hours and Productivity

Created interactive dashboards for country-level and region-level productivity insights.

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Airbnb Market Analysis

Built pricing and availability views with map-based exploration and user filters.

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Certifications

Industry-recognized credentials focused on analytics, reporting, and cloud data workflows.

Coursera Professional Certificate

Google Data Analytics Professional Certificate

Core analytics workflow, data cleaning, SQL, visualization, and business storytelling.

Verify Credential

Coursera Course Certificate

Excel Basics for Data Analysis

Spreadsheet fundamentals for analysis, including formulas, data preparation, and practical reporting.

Verify Credential

Coursera Professional Certificate

Google Cloud Data Analytics

Cloud-based analytics workflows using Google Cloud tools for data processing, exploration, and insights.

Verify Credential

Forage Job Simulation

Data Visualisation: Empowering Business with Effective Insights

Business-focused data visualization practice, including insight communication and dashboard storytelling.

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Deloitte Data Analytics

Deloitte Data Analytics Job Simulation

Applied analytics tasks covering data interpretation, forensic technology, and business recommendations.

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Quantium Data Analytics

Quantium Data Analytics Job Simulation

Customer analytics and commercial insight exercises using structured data to support business decisions.

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Tata Gen AI

Tata GenAI Powered Data Analytics Job Simulation

Generative AI concepts and practical business use cases for responsible, insight-driven problem solving.

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Contact

Sai Cholik +1 (989) 572-8478 Michigan, United States LinkedIn Profile GitHub Portfolio Download Resume Open to Data Analyst and BI opportunities (Remote/Hybrid/Relocation)