Prayad Liewphairatana

Prayad Liewphairatana

President at TPI POLENE

Net worth: 16 M $ as of 2026-05-30

75 year
Process Industries
Non-Energy Minerals
Finance

Profile

Prayad Liewphairatana currently works at TPI Polene Public Co. Ltd., as Co-President & Executive Director from 2012, United Grain Industry Co., Ltd., as President & Executive Director from 1988, Leophairatana Enterprise Co. Ltd., as Executive Director from 1973, Pornchai Enterprises Co. Ltd., as Executive Director, TPI Concrete Co. Ltd., as Executive Director from 1991, Thai Nitrate Co. Ltd., as Executive Director from 2016, Thai Special Steel Industry Public Co. Ltd., as Executive Director, Thai Propoxide Co. Ltd., as Executive Director, TPI All Seasons Co. Ltd., as Executive Director, Mondo Thai Co. Ltd., as Executive Director from 1996, TPI Polene Power Public Co., Ltd., as Executive Director from 2016, International Trading Development Corp.
Ltd., as Executive Director, BUI Life Insurance Co., Ltd., as Executive Director from 1997, TPI Aromatics Public Co., Ltd., as Director from 1995, TPI Polene Bio Organics Co., Ltd., as Executive Director from 2010, Polene Plastic Co., Ltd., as Executive Director from 2002, TPI Refinery (1997) Co., Ltd., as Director, TPI Intertrade Co., Ltd., as Director, Lian Thai Apparel Co. Ltd., as Director, TPI Service Co. Ltd., as Director, TPI Bio Pharmaceuticals Co. Ltd., as Executive Director, Polene Silicon Co. Ltd., as Executive Director from 2002, TPI Healthcare Co. Ltd., as Executive Director, Thai Plastic Products Co., Ltd., as President from 1988, and Thai Plastic Film Co. Ltd., as President from 1989.
Mr. Liewphairatana also formerly worked at Thai ABS Co. Ltd., as Director in 2006, T.P.I.
Oil Co. Ltd., as Director in 2006, and International Plastic Trading Co., Ltd., as Director from 1981 to 2006.
Mr. Liewphairatana received his graduate degree from the University of Michigan.

Known holdings in public companies

CompanyDateNumber of sharesValuationValuation date
2026-03-11 640,167,868 ( 3.35% ) 16 M $ 2026-05-30

Prayad Liewphairatana active positions

CompaniesPositionStart
TPI POLENE President 1986-12-31
TPI POLENE POWER Director/Board Member 1990-12-31
Director/Board Member -
Polene Silicon Co. Ltd.
Director/Board Member 2001-12-31
Director/Board Member -
TPI Bio Pharmaceuticals Co. Ltd.
Director/Board Member -
International Trading Development Corp. Ltd.
Director/Board Member -
Director/Board Member -
Director/Board Member -
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Former positions of Prayad Liewphairatana

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See the detail of Prayad Liewphairatana's experience

Training of Prayad Liewphairatana

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

Connections

26

1st degree connections

29

1st degree companies

Male

Female

Members of the board

Executives

Linked companies

Private companies29

Non-Energy Minerals

Producer Manufacturing

Finance

Consumer Services

Pornchai Enterprises Co. Ltd.

Process Industries

Distribution Services

Distribution Services

Process Industries

Thai ABS Co. Ltd.

T.P.I. Oil Co. Ltd.

Non-Energy Minerals

Thai Propoxide Co. Ltd.

Process Industries

Finance

Utilities

International Plastic Trading Co., Ltd.

International Trading Development Corp. Ltd.

Finance

TPI Aromatics Public Co., Ltd.

TPI Polene Bio Organics Co., Ltd.

Process Industries

Process Industries

Non-Energy Minerals

Consumer Non-Durables

TPI Service Co. Ltd.

TPI Bio Pharmaceuticals Co. Ltd.

Polene Silicon Co. Ltd.

TPI Healthcare Co. Ltd.

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