Thepthai Sila

Founder at UNION AUCTION

Net worth: 2 M $ as of 2026-05-30

67 year

21 connections

Consumer Services

Retail Trade

Finance

Profile

Thepthai Sila is the founder and currently holds multiple director positions.
He is the Vice Chairman & Managing Director of Union Auction Public Co., Ltd., which he founded in 1991.
He is also a Director at Khaokor Highland Resort Co. Ltd., Bliss Khao Kho Co. Ltd., Sahakarn Holding Co. Ltd., and At 800 Co. Ltd. Additionally, Mr. Sila has an undergraduate degree from Ramkhamhaeng University.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
UNION AUCTION PUBLIC CO., LTD. 2.57%	2025-02-27	14,108,200 ( 2.57% )	2 M $	2026-05-30

Thepthai Sila active positions

Companies	Position	Start
UNION AUCTION	Founder	1991-08-01
Bliss Khao Kho Co. Ltd.	Director/Board Member	2009-12-31
Khaokor Highland Resort Co. Ltd.	Director/Board Member	1992-12-31
Sahakarn Holding Co. Ltd. Sahakarn Holding Co. Ltd. Financial ConglomeratesFinance Functions as an investment holding company	Director/Board Member	1997-12-31
At 800 Co. Ltd.	Director/Board Member	2009-12-31

All active positions of Thepthai Sila

Training of Thepthai Sila

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Thepthai Sila's experience

Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

See the personal network

Linked companies

Private companies	6
Ramkhamhaeng University Ramkhamhaeng University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Union Auction Public Co., Ltd. Union Auction Public Co., Ltd. Internet RetailRetail Trade Provides auction services for automobiles and motorcycles	Retail Trade
Khaokor Highland Resort Co. Ltd.
Bliss Khao Kho Co. Ltd.
Sahakarn Holding Co. Ltd. Sahakarn Holding Co. Ltd. Financial ConglomeratesFinance Functions as an investment holding company	Finance
At 800 Co. Ltd.