Yoon Lee

Operations Analyst · Mathematical Optimization (OR) · PL-300 · LSSGB

I am an Operations Analyst with a background in Mathematical Optimization (Operations Research), holding PL-300 and LSSGB credentials. I focus on structuring operational data, modeling decisions, and shipping reporting people actually use.

Below is a selection of operations experience from logistics, quality, and inventory work, plus analytics and automation projects.

Experience

Sneaker Resale Operator · Self-employed

Run a sneaker resale operation with SKU-level inventory, pricing controls, and market tracking to guide buy/sell decisions.

  • Manage inventory and pricing across listed SKUs to protect margin and turn inventory faster
  • Track trade history, size premiums, and seasonality to set data-backed buy/sell thresholds
  • Build Python and Power BI workflows to monitor resale premiums, volume, and sell-through

Inventory & Transportation Specialist · Republic of Korea Army

Managed inventory and maintenance data for heavy recovery vehicles and kept operational readiness high.

  • Maintained recovery-vehicle inventory/maintenance accuracy and 100% operational readiness
  • Monitored parts and equipment stock with Excel usage logs for timely replenishment
  • Ran towing and recovery operations under pressure while keeping a zero-incident safety record

Production Control & ISO Assistant · KJTechnology

Organized documentation and standardized production procedures for ISO 9001:2015 certification.

  • Prepared certification audits by organizing technical documents and standardizing operating procedures
  • Validated process compliance and record quality with production teams
  • Supported building a quality-management system through certification

Supply Chain Manager · Within Company Co., Ltd.

Analyzed delivery routes and schedules to cut delivery time and run daily logistics operations.

  • Identified delivery-network inefficiencies using route data from 14 drivers
  • Cut total delivery time by 23% through route rebalancing and time-slot adjustments
  • Monitored daily logistics schedules and on-time delivery for 2,500 meals

Projects

Elevator Parking Simulator

Apartment elevator parking simulator with fixed passenger scenarios — compare Stay/Lobby/Mid/Spread/Demand on the same trip stream.

Semantic Resume Aligner

Local Analyze → Apply → Autofill pipeline that matches resume versions to job tabs and fills ATS forms under human review.

Kream Sneakers Resale Market Analysis

Trade-history collection → sales fact → Power BI for premium, seasonality, and signals.

Certifications

Education

Bachelor of Mathematics · University of Waterloo

Mathematical Optimization · Computational Mathematics