U-Seong Lee

Chief Executive Officer at SGC ENERGY CO.,LTD.

Net worth: 100 M $ as of 2026-07-30

47 year

20 connections

Utilities

Industrial Services

Producer Manufacturing

Profile

U-Seong Lee currently works at SGC Energy Co., Ltd., as President, Co-CEO & Executive Director from 2022, SGC E&C Co., Ltd., as Co-President, Co-CEO & Director from 2024, Quartz Tech Ltd., as Auditor, and Sg Development Co., Ltd., as Auditor from 2015.
Mr. Lee received his Masters Business Admin degree from The Wharton School of the University of Pennsylvania.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
SGC ENERGY CO., LTD. 19.59%	2025-09-29	2,822,815 ( 19.59% )	81 M $	2026-07-30
OCI Holdings Co. Ltd. OCI Holdings Co. Ltd. Chemicals: SpecialtyProcess Industries Operates as a holding company which manufactures and sells soda ash and related chemical products & provides solar generation, bio investment and urban development services 0.71%	2026-07-21	132,439 ( 0.71% )	18 M $	2026-07-30
SGC E&C CO. LTD. 3.55%	2025-09-29	178,685 ( 3.55% )	1 M $	2026-07-30

U-Seong Lee active positions

Companies	Position	Start
SGC ENERGY CO.,LTD.	Chief Executive Officer	2022-11-17
SGC E&C CO., LTD.	Chief Executive Officer	2022-11-27
Sg Development Co., Ltd. Sg Development Co., Ltd. Real Estate DevelopmentFinance Provides real estate leasing services	Comptroller/Controller/Auditor	2015-03-08
Quartz Tech Ltd. Quartz Tech Ltd. Building ProductsProducer Manufacturing Manufactures industrial ceramics	Comptroller/Controller/Auditor	-

All active positions of U-Seong Lee

Training of U-Seong Lee

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Linked companies

Private companies	5
SGC Energy Co., Ltd. SGC Energy Co., Ltd. Electric UtilitiesUtilities Operates as a holding company engaged in energy generation	Utilities
SGC E&C Co., Ltd. SGC E&C Co., Ltd. Engineering & ConstructionIndustrial Services Performs professional and management services	Industrial Services
Quartz Tech Ltd. Quartz Tech Ltd. Building ProductsProducer Manufacturing Manufactures industrial ceramics	Producer Manufacturing
Sg Development Co., Ltd. Sg Development Co., Ltd. Real Estate DevelopmentFinance Provides real estate leasing services	Finance
The Wharton School of the University of Pennsylvania The Wharton School of the University of Pennsylvania Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services