Garry Kielenstyn
Chief Executive Officer at PT Cokal
Profile
Gerhardus Kielenstyn is currently the President Director at PT Cokal, a Member at the Australian Institute of Co. Directors, and a Member at the Institution of Professional Engineers of New Zealand.
Previously, he worked as the Director & Mining Manager at PT Indo Muro Kencana from 2008 to 2011, as an Independent Director at Baru Gold Corp.
from 2017 to 2022, and as a Production Director at PT Antang Gunung Meratus, PT Baradinamika Muda Sukses, and PT Sumber Kurnia Buana.
He also worked as the Director & General Manager at PT Batutua Tembaga Raya from 2011 to 2013, as a Project Manager at PT Petrosea Tbk, as the Resident Manager-Mt Muro Gold Mine at Straits Resources Ltd., and as the Chief Operating Officer at Cokal Ltd.
from 2013 to 2019.
Additionally, he served as the Chief Operating Officer at PT Tambang Mas Sangihe and as the Manager-Technical Services & Operations at Joyce Crane Hire Pty Ltd.
Garry Kielenstyn active positions
| Companies | Position | Start |
|---|---|---|
| PT Cokal | Chief Executive Officer | - |
Institution of Professional Engineers of New Zealand
 Institution of Professional Engineers of New Zealand Miscellaneous Commercial ServicesCommercial Services The Institution of Professional Engineers of New Zealand operates as a professional membership organization. The private company is based in New Zealand, New Zealand. | Corporate Officer/Principal | - |
Australian Institute of Co. Directors
 Australian Institute of Co. Directors Miscellaneous Commercial ServicesCommercial Services Australian Institute of Co. Directors is a non-profit organization that provides leadership on director issues. It offers governance education, director development, and advocacy. The organization was founded in January 1, 1990 and is headquartered in Sydney, Australia. | Corporate Officer/Principal | - |
Former positions of Garry Kielenstyn
| Companies | Position | End |
|---|---|---|
PT Tambang Mas Sangihe
 PT Tambang Mas Sangihe Precious MetalsNon-Energy Minerals PT Tambang Mas Sangihe is a private company based in Jakarta, Indonesia. The Indonesian company manufactures and explores for gold minerals. | Chief Operating Officer | 28/06/2022 |
| BARU GOLD CORPORATION | Director/Board Member | 28/06/2022 |
| COKAL LIMITED | Chief Operating Officer | - |
PT Batutua Tembaga Raya
 PT Batutua Tembaga Raya Other Metals/MineralsNon-Energy Minerals PT Batutua Tembaga Raya engages in the operation of Wetar Copper Project. The company is headquartered in Jakarta, Indonesia. | Director/Board Member | 01/04/2013 |
Straits Resources Ltd. /Old/
 Straits Resources Ltd. /Old/ Other Metals/MineralsNon-Energy Minerals Straits Resources Ltd. engaged in the exploration and development of coal, copper, and gold resource properties. It focuses on acquiring and developing of bulk commodities sector. Straits controls and operates the Sebuku Coal Mine in Indonesia, the Whim Creek Copper Operation in WA and the Mt Muro Gold Mine in Indonesia. The company was founded in 1992 and is headquartered in West Perth, Australia. | Corporate Officer/Principal | 17/02/2011 |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Listed companies | 3 |
|---|---|
| PT PETROSEA TBK | Industrial Services |
| BARU GOLD CORPORATION | Non-Energy Minerals |
| COKAL LIMITED | Energy Minerals |
| Private companies | 11 |
|---|---|
Straits Resources Ltd. /Old/
Straits Resources Ltd. /Old/ Other Metals/MineralsNon-Energy Minerals Straits Resources Ltd. engaged in the exploration and development of coal, copper, and gold resource properties. It focuses on acquiring and developing of bulk commodities sector. Straits controls and operates the Sebuku Coal Mine in Indonesia, the Whim Creek Copper Operation in WA and the Mt Muro Gold Mine in Indonesia. The company was founded in 1992 and is headquartered in West Perth, Australia. | Non-Energy Minerals |
PT Indo Muro Kencana
 PT Indo Muro Kencana Precious MetalsNon-Energy Minerals Part of Aeris Resources Ltd., PT Indo Muro Kencana explores and mines for gold. | Non-Energy Minerals |
Australian Institute of Co. Directors
Australian Institute of Co. Directors Miscellaneous Commercial ServicesCommercial Services Australian Institute of Co. Directors is a non-profit organization that provides leadership on director issues. It offers governance education, director development, and advocacy. The organization was founded in January 1, 1990 and is headquartered in Sydney, Australia. | Commercial Services |
Institution of Professional Engineers of New Zealand
Institution of Professional Engineers of New Zealand Miscellaneous Commercial ServicesCommercial Services The Institution of Professional Engineers of New Zealand operates as a professional membership organization. The private company is based in New Zealand, New Zealand. | Commercial Services |
PT Antang Gunung Meratus
 PT Antang Gunung Meratus CoalEnergy Minerals Part of PT Baramulti Suksessarana Tbk, PT Antang Gunung Meratus engages in coal mining. The private company is based in Jakarta Pusat, Indonesia. Widada has been the CEO of the Indonesian company since 2020. | Energy Minerals |
| PT Baradinamika Muda Sukses | |
| PT Sumber Kurnia Buana | |
PT Batutua Tembaga Raya
PT Batutua Tembaga Raya Other Metals/MineralsNon-Energy Minerals PT Batutua Tembaga Raya engages in the operation of Wetar Copper Project. The company is headquartered in Jakarta, Indonesia. | Non-Energy Minerals |
PT Tambang Mas Sangihe
PT Tambang Mas Sangihe Precious MetalsNon-Energy Minerals PT Tambang Mas Sangihe is a private company based in Jakarta, Indonesia. The Indonesian company manufactures and explores for gold minerals. | Non-Energy Minerals |
| PT Cokal | |
| Joyce Crane Hire Pty Ltd. |
- Stock Market
- Insiders
- Garry Kielenstyn
