Technical Lead Delivering Business Solutions

Tuncay is a Principal with Columbus Consulting. He has been consulting for retail clients, with CCi and other firms, for the last 10-plus years. His projects and areas of focus have included allocation, merchandise planning, forecasting, replenishment, markdown optimization, and all kinds of implementations for correct and fast retrieval of data. The concentration of the work has been on the technical implementation side, but he interacts with the business design to understand the precise client needs and helps shape the business design with technical feedback as well.


  • J. Crew Technical Lead
    • Design and implementation of a brand new JDA Allocation deployment incorporating various business requirements
  • Soft Surroundings Technical Lead
    • Design and implementation of a Data Warehousing solution in Amazon Redshift to support Business Intelligence functions in conjunction with Tableau
  • Ralph Lauren Technical Lead
    • Design and implementation of JDA Allocation changes to integrate with SAP and new business processes
  • PepsiCo Technical Lead
    • Design and implementation of an Azure SQL Server database improvement solution to improve latency and disk space usage for a multi-million user app backend resulting in UX improvement and cost savings
  • Carhartt Technical Lead
    • Design and implementation of a Planning solution that consisted of multiple modules, implementing Merchandise Planning, Assortment Planning, Line Planning, and Contract Planning


  • Allocation
  • Data Warehouse
  • Merchandise Planning
  • Assortment Planning
  • Forecasting & Replenishment
  • Lifecycle Price Optimization


  • Data Management
  • System Architecture
  • System Integration
  • System Implementation
  • Development & Configuration
  • SQL
  • Retail Consultant


  • Nike
  • Crate & Barrel
  • Ralph Lauren

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