• CEO of Xi S&D
    Koo Bon-sam

    GS E&C Procurement Veteran Bets on Data Centers and Senior Care

    Last Updated on Sep 29, 2026

Life Summary

Koo Bon-sam is CEO of Xi S&D.

He was born in Yeongcheon, North Gyeongsang Province, on October 20, 1968.

He graduated from Daegu High School and Korea University with a degree in business administration.

He joined GS E&C and served as head of its Management Innovation Team and as senior manager responsible for its environmental business.

He oversaw supply chain management, purchasing and procurement as managing director in charge of purchasing and head of the Procurement Division.

He was appointed CEO of Xi S&D in 2025.

Within a year of taking office, he lowered the cost-of-sales ratio by 4 percentage points from the previous year.

He emphasizes selective order-taking and quality competitiveness over expansion in scale.

He is focusing on identifying new businesses, including data centers and senior care.
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