![Mark Sander](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Mark Sander
Director/Board Member at
WINSHEAR METALS CORP.
Net worth: 97 917 $ as of 30/06/2026
Profile
Mark V.
Sander is the founder of Plinian Capital Ltd., founded in 2009, serving as Principal.
Current jobs include Independent Director at Winshear Metals Corp.
since 2024, and Director roles at Nimini Mining Ltd., Nimini Holdings Ltd., G&b Central African Resources Ltd., Danakil Holdings, Danakil Potash Corp., Rambler Metals & Mining Canada Ltd., and Member of the Australasian Institute of Mining & Metallurgy.
Former jobs include President, Chief Executive Officer & Director at Mandalay Resources Corp.
from 2016 to 2018; Chairman at Antares Minerals, Inc. in 2007; Director-Strategic Activities at BHP Copper, Inc. in 1996; Director at Stillwater Mining Co. from 2009 to 2011; Independent Non-Executive Director at Winshear Metals Corp.
from 2014 to 2018; Independent Non-Executive Director at Rambler Metals & Mining Plc from 2016 to 2023; and Director at Ce Mining Ltd. from 2013 to 2018.
Education includes undergraduate degree from Amherst College in 1977, graduate degree from Stanford University in 1981, and doctorate from Stanford University in 1988.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 03/03/2026 | 1,305,556 ( 1.89% ) | 97 917 $ | 30/06/2026 |
Mark Sander active positions
| Companies | Position | Start |
|---|---|---|
| WINSHEAR METALS CORP. | Director/Board Member | 24/10/2019 |
Nimini Holdings Ltd.
 Nimini Holdings Ltd. Precious MetalsNon-Energy Minerals Engages in gold mining activities | Director/Board Member | - |
Danakil Potash Corp. | Director/Board Member | - |
Danakil Holdings | Director/Board Member | - |
G&b Central African Resources Ltd. | Director/Board Member | - |
Nimini Mining Ltd.
 Nimini Mining Ltd. Precious MetalsNon-Energy Minerals Provides gold mining services | Director/Board Member | - |
Plinian Capital Ltd.
 Plinian Capital Ltd. Investment ManagersFinance Plinian Capital invests in public and private companies located in Americas, Australia, Africa and Europe. The firm focuses on mineral resource discovery. It participates in buyout and turn-around transactions. The firm also takes board seat and act as co-investor. | Founder | 01/01/2009 |
Australasian Institute of Mining & Metallurgy
 Australasian Institute of Mining & Metallurgy Miscellaneous Commercial ServicesCommercial Services Provides services to professionals engaged in all facets of the global resources sector | Corporate Officer/Principal | - |
Rambler Metals & Mining Canada Ltd.
 Rambler Metals & Mining Canada Ltd. Other Metals/MineralsNon-Energy Minerals Develops and explores copper & gold minerals | Director/Board Member | - |
Former positions of Mark Sander
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Training of Mark Sander
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
87
1st degree connections
17
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 17 |
|---|---|
Magma Copper Co.
 Magma Copper Co. Other Metals/MineralsNon-Energy Minerals Mines & mills nonferrous copper ore | Non-Energy Minerals |
Stillwater Mining Co.
 Stillwater Mining Co. Other Metals/MineralsNon-Energy Minerals Engages in processing, refining and marketing of palladium, platinum and associated metals | Non-Energy Minerals |
Mandalay Resources Corp.
 Mandalay Resources Corp. Precious MetalsNon-Energy Minerals Explores and mines for silver and copper | Non-Energy Minerals |
Winshear Gold Corp.
 Winshear Gold Corp. Precious MetalsNon-Energy Minerals Operates as a junior gold exploration company | Non-Energy Minerals |
Antares Minerals, Inc.
 Antares Minerals, Inc. Precious MetalsNon-Energy Minerals Acquires and explores precious and base metal exploration properties | Non-Energy Minerals |
Rambler Metals & Mining Plc
 Rambler Metals & Mining Plc Other Metals/MineralsNon-Energy Minerals Develops and explores copper and gold minerals | Non-Energy Minerals |
Stanford University
 Stanford University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Amherst College
 Amherst College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Australasian Institute of Mining & Metallurgy
Australasian Institute of Mining & Metallurgy Miscellaneous Commercial ServicesCommercial Services Provides services to professionals engaged in all facets of the global resources sector | Commercial Services |
Plinian Capital Ltd.
Plinian Capital Ltd. Investment ManagersFinance Plinian Capital invests in public and private companies located in Americas, Australia, Africa and Europe. The firm focuses on mineral resource discovery. It participates in buyout and turn-around transactions. The firm also takes board seat and act as co-investor. | Finance |
Nimini Mining Ltd.
Nimini Mining Ltd. Precious MetalsNon-Energy Minerals Provides gold mining services | Non-Energy Minerals |
Nimini Holdings Ltd.
Nimini Holdings Ltd. Precious MetalsNon-Energy Minerals Engages in gold mining activities | Non-Energy Minerals |
Ce Mining Ltd.
 Ce Mining Ltd. Financial ConglomeratesFinance Invests in early stage mineral discovery, exploration, development, turnaround and restructuring opportunities in base, precious and steel making metals & potash globally | Finance |
G&b Central African Resources Ltd. | |
Danakil Holdings | |
Danakil Potash Corp. | |
Rambler Metals & Mining Canada Ltd.
Rambler Metals & Mining Canada Ltd. Other Metals/MineralsNon-Energy Minerals Develops and explores copper & gold minerals | Non-Energy Minerals |
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