Wijarn Simachaya

Chairman at BRITANIA

66 year

Consumer Services

Government

Finance

Profile

Wijarn Simachaya currently works at Thailand Ministry of Natural Resources & Environment, as Chairman-Bio Based Economic Development from 2020, Britania Public Co. Ltd., as Chairman from 2025, Thailand Environment Institute, as Director from 2019, and Sisaket Rajabhat University, as President-University Council from 2020.
Dr. Simachaya also formerly worked at Pollution Control Department, as Director General from 2015 to 2016.
Dr. Simachaya received his doctorate degree from the University of Guelph, undergraduate degree from Chiang Mai University, graduate degree from Kasetsart University, and graduate degree from Ramkhamhaeng University.

Wijarn Simachaya active positions

Companies	Position	Start
BRITANIA	Chairman	13/11/2025
Thailand Ministry of Natural Resources & Environment Thailand Ministry of Natural Resources & Environment General GovernmentGovernment Administers natural resources development programs	Corporate Officer/Principal	01/01/2020
Thailand Environment Institute Thailand Environment Institute The company is based in Nonthaburi, Thailand. The environment institute is a foundation committed to promoting sustainable development of natural resources and society. It focuses on addressing key environmental challenges including warming, climate change, and conservation efforts to support a sustainable future. Thailand Environment Institute was founded in 1993.	Director/Board Member	01/01/2019
Sisaket Rajabhat University Sisaket Rajabhat University Other Consumer ServicesConsumer Services Functions as a College/University	Corporate Officer/Principal	01/01/2020

All active positions of Wijarn Simachaya

Former positions of Wijarn Simachaya

Companies	Position	End
Pollution Control Department Pollution Control Department General GovernmentGovernment Operates as pollution control agency	Corporate Officer/Principal	01/01/2016

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Education of Wijarn Simachaya

Experiences
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Linked companies

Private companies	9
University of Guelph University of Guelph Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Chiang Mai University Chiang Mai University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Kasetsart University Kasetsart University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Ramkhamhaeng University Ramkhamhaeng University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Thailand Environment Institute Thailand Environment Institute The company is based in Nonthaburi, Thailand. The environment institute is a foundation committed to promoting sustainable development of natural resources and society. It focuses on addressing key environmental challenges including warming, climate change, and conservation efforts to support a sustainable future. Thailand Environment Institute was founded in 1993.
Pollution Control Department Pollution Control Department General GovernmentGovernment Operates as pollution control agency	Government
Thailand Ministry of Natural Resources & Environment Thailand Ministry of Natural Resources & Environment General GovernmentGovernment Administers natural resources development programs	Government
Britania Public Co. Ltd. Britania Public Co. Ltd. Real Estate DevelopmentFinance Provides real estate brokerage services	Finance
Sisaket Rajabhat University Sisaket Rajabhat University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services