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Mark Sawyer
Director/Board Member at
HERON RESOURCES
Profile
Mark Raymond Sawyer is the founder of Greenstone Resources Ltd. (Canada) founded in 2013.
Mr. Sawyer is the founder of Greenstone Capital LLP, holding the title of Senior Partner since 2013.
Mr. Sawyer is also the founder of Cutfield Freeman & Co. Ltd. Mr. Sawyer is currently a Non-Executive Director at Heron Resources Ltd. since 2015.
Former positions include Director at Elevation Gold Mining Corp., Director at Greenstone Management Ltd., Director at 21st Century Legacy, Non-Independent Non-Executive Director at Kalium Lakes Ltd. from 2020 to 2023, Non-Executive Director at North River Resources Plc, Independent Director at Rockcliff Metals Corp.
from 2019 to 2021, Non-Executive Director at Metro Mining Ltd. from 2016 to 2024, Non-Executive Director at Serabi Gold Plc from 2018 to 2025, and General Manager-Group Business Development at Xstrata Plc from 2011 to 2013.
Education includes a graduate degree from The University of Southampton.
Mark Sawyer active positions
| Companies | Position | Start |
|---|---|---|
| HERON RESOURCES | Director/Board Member | 2015-08-18 |
Greenstone Capital LLP
 Greenstone Capital LLP Investment ManagersFinance Greenstone Capital invests in companies located in the United Kingdom. The firm target companies specializing in the mining and metals sector with an investment size of USD 3 - 50 million. It provides financing for acquisition transaction and also makes co-investments. | Founder | 2012-12-31 |
Former positions of Mark Sawyer
| Companies | Position | End |
|---|---|---|
| SERABI GOLD PLC | Director/Board Member | 2025-04-10 |
| METRO MINING LIMITED | Director/Board Member | 2024-12-01 |
| KALIUM LAKES | Director/Board Member | 2023-06-02 |
| ELEVATION GOLD MINING CORPORATION | Director/Board Member | 2019-12-10 |
| XSTRATA PLC | Corporate Officer/Principal | 2013-05-07 |
Training of Mark Sawyer
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
57
1st degree connections
14
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 14 |
|---|---|
Greenstone Resources Ltd. (Canada)
 Greenstone Resources Ltd. (Canada) Precious MetalsNon-Energy Minerals Precious metals mining concern | Non-Energy Minerals |
Xstrata Plc
 Xstrata Plc Other Metals/MineralsNon-Energy Minerals Mines for copper, coking coal, thermal coal, ferrochrome and vanadium | Non-Energy Minerals |
Heron Resources Ltd.
 Heron Resources Ltd. Other Metals/MineralsNon-Energy Minerals Produces metals | Non-Energy Minerals |
Serabi Gold Plc
 Serabi Gold Plc Precious MetalsNon-Energy Minerals Engages in the evaluation, exploration and development of gold properties | Non-Energy Minerals |
North River Resources Plc
 North River Resources Plc Other Metals/MineralsNon-Energy Minerals Engages in exploration and development of mineral resource which includes zinc & lead | Non-Energy Minerals |
Elevation Gold Mining Corp.
 Elevation Gold Mining Corp. Precious MetalsNon-Energy Minerals Engages in acquisition, exploration and development of gold & silver deposits | Non-Energy Minerals |
Cutfield Freeman & Co. Ltd.
 Cutfield Freeman & Co. Ltd. Investment ManagersFinance Provides investment banking advisory services | Finance |
The University of Southampton
 The University of Southampton Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Metro Mining Ltd.
 Metro Mining Ltd. Other Metals/MineralsNon-Energy Minerals Engages in exploration, mining and sale of bauxite | Non-Energy Minerals |
Rockcliff Metals Corp.
 Rockcliff Metals Corp. Other Metals/MineralsNon-Energy Minerals Mines for copper, zinc, silver and gold | Non-Energy Minerals |
Greenstone Capital LLP
Greenstone Capital LLP Investment ManagersFinance Greenstone Capital invests in companies located in the United Kingdom. The firm target companies specializing in the mining and metals sector with an investment size of USD 3 - 50 million. It provides financing for acquisition transaction and also makes co-investments. | Finance |
Greenstone Management Ltd.
 Greenstone Management Ltd. Financial ConglomeratesFinance Operates as dormant company | Finance |
21st Century Legacy | |
Kalium Lakes Ltd.
 Kalium Lakes Ltd. Other Metals/MineralsNon-Energy Minerals Engages in exploration and development of potash minerals | Non-Energy Minerals |
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