Marina Iglesias Medina
Data Driven Supply Chain Analyst, Experienced in Optimization & Tool Development
Alameda, California · imarinaisabel@gmail.com · LinkedIn
Education
Purdue University
Graduating December 2026 · West Lafayette, Indiana
Dual B.S. — Supply Chain & Operations Management and General Management
Mitch Daniels School of Business
Coursework: Strategic Sourcing & Procurement, Supply Chain Analytics, Logistics Concepts & Models, Manufacturing Strategy, Project Management, Predictive Analytics, Data Mining, Management Science, Operations Management, Advanced Excel
Universidad Carlos III de Madrid
Spring 2025 · Madrid, Spain
Study Abroad · Spring 2025
Supply Chain Systems Research
- Study Abroad Intercultural Learning Scholarship
- Researched supply chain systems, comparing operational practices between Spain and the U.S.
- Analyzed cross-cultural differences in workforce dynamics and their impact on efficiency and management approaches
Coursework: Organizational Behavior, Labor Law, Perception of the Media
Universidad de Puerto Rico - Mayagüez
Fall 2022 - Spring 2023 · Mayagüez, Puerto Rico
Freshman Year · 2022 - 2023
Coursework: Marketing, Spanish, Microsoft Suite, Macroeconomics, Microeconomics
Experience
Supply Chain Intern · Michelin Tires
May 2026 – August 2026 · Lexington, South Carolina
- Developed an Excel-based tactical planning tool integrating demand forecasts, capacity requirements and operational constraints, enabling scenario analysis and more informed 18-month production decisions at Michelin's largest North American manufacturing plant.
- Evaluated production capacity, demand forecasts and resource limitations to identify supply risks, improve planning visibility and support proactive manufacturing allocation decisions.
- Collaborated with Supply Chain, Manufacturing and Operations teams to develop Power BI dashboards mapping end-to-end processes, identify production bottlenecks and drive improvements in plant performance.
Back of House Team Member · Chick-fil-A
November 2023 – December 2025 · West Lafayette, Indiana
Procurement & Inventory Management
- Managed daily inventory orders of $3,000–$9,000 using demand-based forecasting, optimizing stock levels, reducing waste and maintaining accurate product availability.
- Trained and onboarded more than 9 employees on standardized operating procedures and food safety protocols, improving process consistency and operational efficiency.
- Worked across 10+ back-of-house stations, supporting workflow optimization, bottleneck reduction and continuous operations in a fast-paced environment serving more than 150 customers per hour.
Cashier · El Noodle Bar
February - May 2023 · Mayagüez, Puerto Rico
Operations
- Provided front-of-house customer service by greeting patrons, taking order details accurately, and managing cash register transactions.
- Assisted kitchen staff with meal preparation and assembly while maintaining strict station organization and food safety standards.
- Delivered efficient service during peak dining hours to support smooth restaurant throughput.
Front of House Specialist · Maggie Moo's Ice Cream and Treatery
May - August 2022 · Guaynabo, Puerto Rico
Operations
- Welcomed guests and provided customer service while taking, scooping, and custom-decorating ice cream orders.
- Processed cash and card payment transactions through the POS system with accuracy.
- Maintained store presentation, product display aesthetics, and station hygiene throughout operating hours.
Leadership
Community, Engagement & Belonging Committee Director · Brock Wilson Center for Women in Business
September 2023 – May 2026
- Organized community events that successfully engaged up to 300 campus members.
- Provided mentorship to a first-year supply chain student, guiding them through program navigation and personal growth.
Projects
Celsius Distribution Network · PepsiCo
January – May 2026
A cost-efficient supply chain model for Celsius beverages post-acquisition, modeled end-to-end in Excel. Evaluating demand forecasts, $21M startup capital allocation, capacity constraints, and sourcing trade-offs to maximize long-term profitability
Team of 5 · Demand Forecasting and Financial Projection
Read the case study →Tactical Planning Tool & Power BI Dashboards · Michelin North America
May – August 2026
Rebuilt Michelin US5's 12-year-old Tactical Planning File in Excel to eliminate structural gaps, incorporate machine-level mold/tooling constraints, and establish internal bridge logic across four tire-building shops, complemented by Power BI dashboards to track end-to-end 18-month production decisions.
Supply Chain Intern · Built and Delivered the Tool
Read the case study →Store Capacity & Throughput Analysis · Starbucks Coffee
January – May 2026
A process and wait-time study of store operations — flowcharts, process analysis and queuing theory applied to identify bottlenecks and recommend changes that increased throughput and improved service levels.
Led a team of 6
Read the case study →Black & Gold Country Club Financial and Operational Model · Purdue Coursework
August – December 2024
Acted as third-party operations consultants for a multi-location country club chain to clean and transform raw POS data, construct 2-year profit/loss financial models, analyze multi-tier bank expansion financing scenarios, and evaluate employee compensation structures.
Team of 3 · Model Construction and Scenario Design
Read the case study →Skills
- Data Analytics & Decision Modeling
- Excel Modeling · Power BI · Power Query · SQL · Python · Data Analytics · Financial Modeling · Financial Analysis · Quantitative Analysis · Scenario Analysis · Predictive Analytics · Data mining · Linear Programming
- Supply Chain Planning & Procurement
- Supply Chain Management · Strategic Sourcing · Procurement · Vendor Management · Inventory Management · Demand Forecasting · Production Planning · Capacity Planning · Logistics Concepts & Models
- Operations & Process Improvement
- Process Analysis · Queuing Theory · Bottleneck Analysis · Workflow Optimization · Manufacturing Strategy · Project Management · Management Science
- Collaboration & Communication
- Microsoft Office Suite · PowerPoint · Google Workspace · Canva · Business Development · Intercultural Communication · Training & Onboarding · Mentorship · Adaptability · Spanish (native) & English
Languages
Spanish (Native) · English (Fluent)