Skip to main content
Back to

Kiwan Ihn

Expert Associate Partner, Seoul
Brings deep experience in leading large-scale capital-project turnarounds and transformations, implementing lean-manufacturing processes, and improving operations for multinational companies across various industries

About Kiwan

During his time with McKinsey’s Implementation Practice, Kiwan has focused on large-scale capital projects and operational transformations for leading multinational companies across Asia–Pacific and Europe. He has extensive experience in helping lead transformations for global oil and gas as well as energy companies; shipbuilders; and engineering, procurement, and construction (EPC) companies. He also specializes in integrating lean manufacturing processes to drive operational improvements across various industries, from aerospace to retail.

Kiwan performs on-site diagnostics to identify areas for operational improvements and works side by side with companies to help them design operational strategies and implement solutions to achieve sustainable top- and bottom-line results.

Examples of his recent client work include the following:

  • leading a full-scale transformation program for a top Korean EPC company across multiple dimensions—including portfolio optimization, procurement-cost reduction, and enhanced risk and project management—and establishing a project-management office to implement more than 200 improvement initiatives across all business units and EPC value chains
  • spearheading a three-month, on-the-ground operational-improvement diagnostic for a global aircraft manufacturer in Korea, helping the company implement identified improvement levers and ultimately reducing overall cycle time by 20 percent
  • designing and running a corporate-wide operational-transformation program, including identifying and implementing improvement levers across four manufacturing facilities in Asia, for a global shoemaker
  • leading a retail transformation for a major Korean cosmetics manufacturer and retailer, focusing on site selection, merchandising, customer relationship management (CRM), capability building of the sales team, and retail operations

Before joining McKinsey, Kiwan was a manager for business development and CRM at a large international telecommunications company, where he led the large-scale integration of CRM campaigns into standardized programs to help reduce customer churn.

Past Experience

LG Uplus
Manager, business development and CRM

Head, marketing


Haas School of Business, University of California, Berkeley
MBA, strategic management and finance

Seoul National University
BBA, economics and marketing