I'm Ro, and I'm a data analyst studying at The Marcy Lab School! I primarily stay up-to-date with business and finance, although I am also interested in many other fields. This includes music, literature, geography, and many more. If you'd like to connect, reach out to me via email or on my LinkedIn page below!

rolando.mancilla.rojas [at] gmail.com

My LinkedIn

• MTA: Beyond the Bus

  • Datathon 2025: A spatial, socio-economic analysis of the MTA Bus Automated Camera Enforcement System. Partnered with MTA.

• Stock Analyzer Project

  • Analyzes stock information using yfinance and gives a score based on evaluations with a mission to make investing easy for anyone.

• Flaskr Blog

  • Full-stack. Allows users to register and create blog posts. Created with Flask.

• Stock Ticker Display App

  • Small, fun project. Takes a CSV and displays its contents in a scrolling LED board-style app.

• Shaping College Readiness

  • 12-week contract. Explored factors driving College & Career Readiness of students across NYC public high schools.

• NYC Government Collision Prevention

  • Built an internal tool to be used by the DCAS, using machine learning to infer factors of govt. vehicle collisions causing injury/death.

• The Green Link

  • An analysis of LinkNYC's usage, efficiency, and energy consumption. Found strong links to increased carbon footprint.

• Riding the Demand

  • extracting stakeholder-ready insights from BikeShare data to inform pricing, promos, staffing, and availability.

• Themepark Analytics

  • A look into theme park ticket/park revenue, customer satisfaction, etc. Created/Engineered Star Schema in SQLite.

• NYC Emergency Data Analysis

  • Analyzed Flu/Pneumonia cases across NYC, created Tableau dashboard, presented to DOHMH stakeholders.

• Café Le Marcy Financial Analysis & Insights

  • Analyzed Café sales dataset, worked in a team to pull insights.

• Disney+ Business Model Analysis

  • Analyzing Disney+ and competing streaming services.