Hello,
I am quick to learn, ready to build. Jaehyuk Heo

  • Demonstrated ability to adapt, collaborate effectively, and complete projects on time.
  • Leveraged sales data to improve profitability and support strategic pricing decisions in customer-facing operations.
  • Provided professional customer service and managed high volumes of invoices and internal documentation.
  • Skilled in identifying and resolving customer issues promptly, with a focus on clear communication and service excellence.
  • Effective communication skills, essential for working with cross functional teams.
  • Applied Excel and VBA to streamline inventory tracking, optimize workflows, and support daily retail operations with improved accuracy and efficiency.

Practical Work Showcase..

Inventory Management

Inventory Management

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Designed an Excel based inventory management system using VBA, automating stock tracking and report generation for efficient retail operations.
Excel
  • Applied Excel functions and VBA to streamline inventory tracking, automate repetitive workflows.
  • Leveraged sales data to support pricing strategies and improve profitability across retail operations.
  • Created user friendly dashboards using PivotTables and conditional formatting to visualize key metrics and stock levels.
  • Supported smooth daily operations with clear documentation and automation tools to reduce errors and save time.
Manage Profit Margin

Manage Profit Margin

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Managed profit margin calculations using Excel to support pricing strategies and highlight revenue opportunities. Tracked and analyzed cost and sales data to enhance operational transparency and business decision making.
Excel
  • Designed a profit margin calculator in Excel to streamline financial tracking and decision making for retail operations.
  • Created a user friendly interface with dropdowns and input cells to simplify daily margin management tasks.
  • Used conditional formatting to highlight profitability risks, helping prevent financial loss.

Education.

Seneca College

2023. 05 - 2024. 12
Engaged in practical and theoretical learning in system programming, and data handling.

Work Experience.

Clerk at H-mart

Apr 2021 - Present

  • Designed a profit margin calculator in Excel to streamline financial tracking and decision making for retail operations.
  • Tracked and analyzed cost and sales data to identify high-margin and underperforming products.
  • Created a user friendly interface with dropdowns and input cells for efficient margin scenario testing.

Line Cook at Oliver @ Bonacini Café Grill

May 2018 – June 2019

  • Supported smooth daily operations by handling multiple tasks under pressure, demonstrating reliability and teamwork in a fast paced environment.