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 | 2025-11-12 |
Thailand Ministry of Natural Resources & Environment
Thailand Ministry of Natural Resources & Environment General GovernmentGovernment Administers natural resources development programs | Corporate Officer/Principal | 2019-12-31 |
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 | 2018-12-31 |
Sisaket Rajabhat University
Sisaket Rajabhat University Other Consumer ServicesConsumer Services Functions as a College/University | Corporate Officer/Principal | 2019-12-31 |
Former positions of Wijarn Simachaya
| Companies | Position | End |
|---|---|---|
Pollution Control Department
Pollution Control Department General GovernmentGovernment Operates as pollution control agency | Corporate Officer/Principal | 2015-12-31 |
Education of Wijarn Simachaya
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
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 |
- Stock Market
- Insiders
- Wijarn Simachaya
















