Network origin in John de Villiers Berry first degree
| Entity | Entity type | Industry | |
|---|---|---|---|
Simmer & Jack Pty Ltd.
 Simmer & Jack Pty Ltd. Precious MetalsNon-Energy Minerals Simmer & Jack Mines Ltd. engages in the provision of of various investments. The company was founded in 1924 and is headquartered in Johannesburg, South Africa.
24
| Private Company | Precious Metals | 24 |
Chart of Companies connected to the second degree
Multi-company connection
Companies connected to John de Villiers Berry via their personal network
| Company | Sector | Related people | Main position |
|---|---|---|---|
Buffelsfontein Gold Mining Ltd.
 Buffelsfontein Gold Mining Ltd. Precious MetalsNon-Energy Minerals Part of Simmer & Jack Pty Ltd., Buffelsfontein Gold Mining Ltd. is a South African company that engages in gold mining activities. The company is based in Stilfontein, South Africa. Buffelsfontein Gold Mining was acquired by Simmer & Jack Pty Ltd. from DRDGOLD Ltd. on October 31, 2005 for $7.18 million. | Precious Metals | Corporate Officer/Principal | |
Gold Fields Operations Ltd.
 Gold Fields Operations Ltd. Precious MetalsNon-Energy Minerals Gold Fields Operations Ltd. operates gold mines. It holds 50% interest in the South Deep Gold Mine, in joint venture with Placer Dome South Africa (Pty) Ltd. It is a subsidiary of Gold Fields Ltd. The company was founded in 1950 and is headquartered in Johannesburg, South Africa. | Precious Metals | Director/Board Member Corporate Officer/Principal | |
| DRDGOLD LIMITED | Precious Metals | Corporate Officer/Principal Director/Board Member | |
| RANDGOLD & EXPLORATION COMPANY LIMITED | Precious Metals | Director/Board Member | |
| FIRST URANIUM CORPORATION | Other Metals/Minerals | Director/Board Member President Chairman Chief Operating Officer Chief Operating Officer President Director/Board Member | |
| ANGLO AMERICAN PLATINUM LIMITED | Other Metals/Minerals | Chief Executive Officer Corporate Secretary | |
| IMPALA PLATINUM HOLDINGS LIMITED | Other Metals/Minerals | Director/Board Member Corporate Officer/Principal | |
JCI Ltd.
 JCI Ltd. Financial ConglomeratesFinance JCI Ltd. operates as an investment company with interest in gold and platinum mining. The company was founded by Barney Barnato in 1989 and is headquartered in Sandton, South Africa. | Financial Conglomerates | Chief Tech/Sci/R&D Officer | |
Stilfontein Gold Mining Co. Ltd.
 Stilfontein Gold Mining Co. Ltd. Water UtilitiesUtilities Stilfontein Gold Mining Co. Ltd. maintains shafts and water pump stations. The company was founded in 1949 and is headquartered in Johannesburg, South Africa. | Water Utilities | Director/Board Member | |
| The University of Manchester | College/University | Graduate Degree | |
| University of Cambridge | College/University | Undergraduate Degree | |
Rand Merchant Bank
 Rand Merchant Bank Investment Banks/BrokersFinance Rand Merchant Bank provides banking services. The company was founded by Laurie Lanser Dippenaar, Gerrit Thomas Ferreira and partick Maguire Goss in 1977 and is headquartered in Johannesburg, South Africa. | Investment Banks/Brokers | Corporate Officer/Principal Corporate Officer/Principal | |
| SUN INTERNATIONAL LIMITED | Hotels/Resorts/Cruise lines | Director/Board Member Director/Board Member | |
Kloof Gold Mining Co. Ltd.
 Kloof Gold Mining Co. Ltd. Precious MetalsNon-Energy Minerals Part of Gold Fields Ltd., Kloof Gold Mining Co. Ltd. engages in gold mining. | Precious Metals | Corporate Officer/Principal | |
| Wellesley College | College/University | Undergraduate Degree | |
Blyvooruitzicht Gold Mining Co. Ltd.
 Blyvooruitzicht Gold Mining Co. Ltd. Precious MetalsNon-Energy Minerals Blyvoor, which mined its first ore in 1942, is situated on the north-western edge of South Africa's Witwatersrand Basin, to the south of the town of Carletonville and 70km south-west of Johannesburg, in North West Province. The mine has both underground mining and surface tailings retreatment operations and a carbon-in-leach gold plant with the capacity to treat some 400 000tpm. Blyvoor has two main gold-bearing horizons: the Carbon Leader Reef (CLR), which is one of the principal orebodies of the Carletonville goldfield; and the Main Reef, which is some 75m above the CLR horizon. The reefs vary in thickness from 5cm to 20cm. Recently there has been a shift in focus to mining the Main Reef for greater flexibility. Although not as consistent in grade, the Main Reef is less seismically active, offers greater potential for higher volumes and maintained real cost, and can be accessed through development of the mine’s existing infrastructure. Ore is mined from three underground shaft systems using the traditional narrow-reef, drill, blast and scape methods. Gold recovered from surface tailings retreatment accounts for approximately 27% of Blyvoor’s total production. While Blyvoor's life of mine is projected until 2030, its resource is widespread and production could extend for many years beyond this, depending on gold price and exchange rate performance. | Precious Metals | Corporate Officer/Principal | |
| University of Zimbabwe | College/University | Undergraduate Degree | |
Black Mountain Mining (Pty) Ltd.
 Black Mountain Mining (Pty) Ltd. Other Metals/MineralsNon-Energy Minerals Part of Vedanta, Inc., Black Mountain Mining (Pty) Ltd. is a South African mining company that produces copper, lead, and zinc concentrate. The company is based in Aggeneys, South Africa. Black Mountain Mining (Pty was acquired by Sterlite Industries (India) Ltd. from Anglo American Plc on February 04, 2011 for $260 million. | Other Metals/Minerals | Corporate Officer/Principal | |
| The Southern African Institute of Mining & Metallurgy | Corporate Officer/Principal Corporate Officer/Principal | ||
Muvoni Technology Group Ltd.
 Muvoni Technology Group Ltd. Miscellaneous Commercial ServicesCommercial Services Muvoni Technology Group Ltd. engages in biometrics and identity solutions business. Its services include criminal background checks, pre-employment screening, automated fingerprint identification systems and biometric solutions. The firm offers technology solutions that analyze and measure human characteristics and behavior for identification and verification purposes. The company was founded by Vhonani Mufamadi and Themba Maseko in 2001 and is headquartered in Rosebank, South Africa. | Miscellaneous Commercial Services | Director/Board Member | |
| First Uranium Proprietary Ltd. | Chief Executive Officer | ||
| Placer Dome South Africa Proprietary Ltd. | Corporate Officer/Principal | ||
| Mine Metallurgical Managers Association of South Africa | Corporate Officer/Principal | ||
| JCI Services (Proprietary) Ltd. | Chairman | ||
| Institute of Certified Mechanical & Electrical Engineers | Corporate Officer/Principal | ||
| JCI Projects Pty Ltd. | Chairman | ||
| East Cape Agricultural Co-Op Ltd. | Director/Board Member | ||
Mopani Copper Mines Plc
 Mopani Copper Mines Plc Other Metals/MineralsNon-Energy Minerals Mopani Copper Mines Plc operates as an exploration company. It engages in the business of mining investments with operations in Kitwe and Mufulira districts of the Copperbelt province. The company is headquartered in Lusaka, Zambia. | Other Metals/Minerals | Chief Operating Officer | |
| North-West University | College/University | Masters Business Admin | |
| Association of Mine Managers South Africa | President | ||
Sasria Soc Ltd.
 Sasria Soc Ltd. Multi-Line InsuranceFinance Sasria Ltd. is a short-term insurer based in South Africa that provides special risk cover to individuals, businesses, and government entities against risks such as civil commotion, public disorder, strikes, riots, and terrorism. The South African company offers unique insurance coverage that is affordable and not commonly found in other countries. | Multi-Line Insurance | Director/Board Member | |
| BAUBA RESOURCES LIMITED | Other Metals/Minerals | Chief Executive Officer | |
| West Driefontein Gold Mining Co. Ltd. | Corporate Officer/Principal | ||
| Zibula Mining Exploration | Chairman | ||
| Vulisango Holdings Pty Ltd. | Director/Board Member | ||
| VILLAGE MAIN REEF LTD | Precious Metals | Director/Board Member | |
| SUREPURE INC | Industrial Machinery | Chairman | |
| MANTENGU MINING LIMITED | Financial Conglomerates | Director/Board Member | |
Central Copper Resources Ltd.
 Central Copper Resources Ltd. Other Metals/MineralsNon-Energy Minerals Central Copper Resources Ltd. engages in the exploration and development of copper. Its portfolio focuses in the Democratic Republic of the Congo and the Republic of Zambia. The company was founded on January 4, 2021 and is headquartered in London, the United Kingdom. | Other Metals/Minerals | Director/Board Member | |
| Steve Biko Academic Hospital | Chairman | ||
| World Wide Fund for Nature /South Africa/ | Director/Board Member | ||
Northern Ocean Investments 48 (Pty) Ltd.
 Northern Ocean Investments 48 (Pty) Ltd. Financial ConglomeratesFinance Part of Vunani Ltd., Northern Ocean Investments 48 (Pty) Ltd. is an investment holding South African company. | Financial Conglomerates | Director/Board Member |
Statistics
International
| South Africa | 33 |
| Canada | 5 |
| Australia | 4 |
| United Kingdom | 3 |
| United States | 3 |
Sectoral
| Non-Energy Minerals | 19 |
| Consumer Services | 7 |
| Finance | 6 |
| Utilities | 2 |
| Commercial Services | 2 |
Operational
| Director/Board Member | 135 |
| Independent Dir/Board Member | 35 |
| Corporate Officer/Principal | 32 |
| Chairman | 29 |
| Undergraduate Degree | 11 |
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