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Rosaya Teinwan
Director/Board Member at IRPC
Profile
Rosaya Teinwan currently works at 24M Technologies, Inc., as Director, Siam Solar Energy 1 Co. Ltd., as Director, Combined Heat & Power Producing Co., Ltd., as Director, Thai Solar Renewable Co., Ltd., as Director, IRPC Clean Power Co., Ltd., as Director, PTT Green Energy Netherlands Cooperatief U.A, as Managing Director from 2013, Global Renewable Power Co., Ltd., as Director, and IRPC Public Co., Ltd., as Director from 2025.
Dr. Teinwan also formerly worked at Sakari Resources Ltd., as Chief Executive Officer & Executive Director from 2015 to 2019, Global Renewable Synergy Co., Ltd., as Chairman, PTT Green Energy Pte Ltd., as Managing Director from 2013 to 2019, PTT Public Co., Ltd., as Executive Vice President, PTT Energy Resources Co. Ltd., as President from 2015 to 2019, and Global Power Synergy PCL, as EVP-Business Development & Corporate Strategy from 2019 to 2020.
Dr. Teinwan received her undergraduate degree from Kasetsart University and Masters Business Admin degree from Rangsit University.
Latest news about Rosaya Teinwan
Rosaya Teinwan active positions
| Companies | Position | Start |
|---|---|---|
| IRPC | Director/Board Member | 01/04/2025 |
PTT Green Energy Netherlands Cooperatief U.A
 PTT Green Energy Netherlands Cooperatief U.A Forest ProductsNon-Energy Minerals PTT Green Energy Netherlands Cooperatief U.A provides finance services. It provides financing services to green investment in various forms and also being a long term partnership with your green and renewable businesses. The company was founded in 2011 and is headquartered in Amsterdam, Netherlands. | Chief Executive Officer | 01/01/2013 |
IRPC Clean Power Co., Ltd.
 IRPC Clean Power Co., Ltd. Electric UtilitiesUtilities Part of Global Power Synergy PCL, IRPC Clean Power Co., Ltd. is a Thai company that generates electricity. The company is located in Thailand. IRPC Clean Power Co. was acquired by Global Power Synergy PCL from IRPC Public Co., Ltd. on December 02, 2013 for $22.08 million. | Director/Board Member | - |
24M Technologies, Inc.
 24M Technologies, Inc. Electrical ProductsProducer Manufacturing 24M Technologies, Inc. develops energy storage systems. It offers a battery technology that provides storage for power grid and transportation markets. The company was founded by Yet-Ming Chiang, W. Craig Carter and Throop M. Wilder in 2010 and is headquartered in Cambridge, MA. | Director/Board Member | - |
Siam Solar Energy 1 Co. Ltd. | Director/Board Member | - |
Thai Solar Renewable Co. Ltd.
 Thai Solar Renewable Co. Ltd. Alternative Power GenerationUtilities Thai Solar Renewable Co., Ltd. is based in Bangkok, Thailand. The Thai company generates electricity from solar energy. Thai Solar Renewable Co., Ltd. was founded in 2012. | Director/Board Member | - |
Global Renewable Power Co., Ltd.
 Global Renewable Power Co., Ltd. Electric UtilitiesUtilities Global Renewable Power Co., Ltd. is based in Lopburi, Thailand. The company generates and supplies electricity and is ultimately controlled by the Government of Thailand. Global Renewable Power Co., Ltd. was founded in 2014. Global Renewable Power Co. was acquired by Global Renewable Synergy Co., Ltd. on October 16, 2024 for $36.54 million. | Director/Board Member | - |
Combined Heat & Power Producing Co., Ltd.
 Combined Heat & Power Producing Co., Ltd. Electric UtilitiesUtilities Part of Global Power Synergy PCL, Combined Heat & Power Producing Co., Ltd. is a Thai company that generates and supplies electricity steam. The company is based in Khet Chatuchak, Thailand. The CEO of the company is Kowit Chuengsatiansup. | Director/Board Member | - |
Former positions of Rosaya Teinwan
| Companies | Position | End |
|---|---|---|
| PTT | Corporate Officer/Principal | 01/10/2021 |
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| ░░░░░░ ░░░░░░░░░ ░░░░░░░ ░░░░ ░░░░ | ░░░░░░░░ | - |
Training of Rosaya Teinwan
Rangsit University | Masters Business Admin |
Kasetsart University | Undergraduate Degree |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Listed companies | 3 |
|---|---|
| GLOBAL POWER SYNERGY | Utilities |
| PTT | Energy Minerals |
| IRPC | Energy Minerals |
| Private companies | 11 |
|---|---|
PTT Green Energy Netherlands Cooperatief U.A
PTT Green Energy Netherlands Cooperatief U.A Forest ProductsNon-Energy Minerals PTT Green Energy Netherlands Cooperatief U.A provides finance services. It provides financing services to green investment in various forms and also being a long term partnership with your green and renewable businesses. The company was founded in 2011 and is headquartered in Amsterdam, Netherlands. | Non-Energy Minerals |
Sakari Resources Ltd.
 Sakari Resources Ltd. CoalEnergy Minerals Sakari Resources Ltd. is an investment holding company, which engages in the exploration, mining and marketing of coal. The firm also provides management and marine engineering services. The company was founded on June 10, 1995 and is headquartered in Singapore. | Energy Minerals |
PTT Green Energy Pte Ltd.
 PTT Green Energy Pte Ltd. Forest ProductsNon-Energy Minerals PTT Green Energy Pte Ltd. manufactures palm and its related products. The company is headquartered in Singapore. | Non-Energy Minerals |
PTT Energy Resources Co. Ltd.
 PTT Energy Resources Co. Ltd. CoalEnergy Minerals PTT Energy Resources Co. Ltd. is a Thai company that provides coal and mining services. The company is based in Bangkok, Thailand and was founded in 2009. The company is ultimately controlled by the Government of Thailand. | Energy Minerals |
IRPC Clean Power Co., Ltd.
IRPC Clean Power Co., Ltd. Electric UtilitiesUtilities Part of Global Power Synergy PCL, IRPC Clean Power Co., Ltd. is a Thai company that generates electricity. The company is located in Thailand. IRPC Clean Power Co. was acquired by Global Power Synergy PCL from IRPC Public Co., Ltd. on December 02, 2013 for $22.08 million. | Utilities |
24M Technologies, Inc.
24M Technologies, Inc. Electrical ProductsProducer Manufacturing 24M Technologies, Inc. develops energy storage systems. It offers a battery technology that provides storage for power grid and transportation markets. The company was founded by Yet-Ming Chiang, W. Craig Carter and Throop M. Wilder in 2010 and is headquartered in Cambridge, MA. | Producer Manufacturing |
Siam Solar Energy 1 Co. Ltd. | |
Thai Solar Renewable Co. Ltd.
Thai Solar Renewable Co. Ltd. Alternative Power GenerationUtilities Thai Solar Renewable Co., Ltd. is based in Bangkok, Thailand. The Thai company generates electricity from solar energy. Thai Solar Renewable Co., Ltd. was founded in 2012. | Utilities |
Global Renewable Power Co., Ltd.
Global Renewable Power Co., Ltd. Electric UtilitiesUtilities Global Renewable Power Co., Ltd. is based in Lopburi, Thailand. The company generates and supplies electricity and is ultimately controlled by the Government of Thailand. Global Renewable Power Co., Ltd. was founded in 2014. Global Renewable Power Co. was acquired by Global Renewable Synergy Co., Ltd. on October 16, 2024 for $36.54 million. | Utilities |
Combined Heat & Power Producing Co., Ltd.
Combined Heat & Power Producing Co., Ltd. Electric UtilitiesUtilities Part of Global Power Synergy PCL, Combined Heat & Power Producing Co., Ltd. is a Thai company that generates and supplies electricity steam. The company is based in Khet Chatuchak, Thailand. The CEO of the company is Kowit Chuengsatiansup. | Utilities |
Global Renewable Synergy Co., Ltd.
 Global Renewable Synergy Co., Ltd. Alternative Power GenerationUtilities Part of Global Power Synergy PCL, Global Renewable Synergy Co., Ltd. is a Thai company that generates solar power plants. The company is based in Chatuchak, Thailand. The company was founded in 2021. The CEO is Worawat Pitayasiri. | Utilities |
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