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Ruben Shiffman
Chief Executive Officer at
GREENLAND RESOURCES INC.
Net worth: 31 M $ as of 30/05/2026
Profile
Ruben Shiffman is the founder of Greenland Resources, Inc., founded in 2008, serving as Executive Chairman, President & CEO.
Dr. Shiffman is the founder of Calvista Gold Corp., founded in 2010, serving as Chairman.
Dr. Shiffman was the founder of Shiffoil, Inc., founded in 2015, serving as Chairman.
Dr. Shiffman currently serves as Governor-International Board at Tel-Aviv University.
Former jobs include Vice Chairman at Rockcliff Metals Corp., Derivatives Director at The Bank of Nova Scotia, Managing Director-Emerging Markets at Scotia Capital, Inc., VP, Director-Latin America & Caribbean at TD Securities, Inc., Director-Securities Bureau at Comisión Nacional Bancaria y de Valores, Director at Highvista Gold, Inc., Director at Greenhawk Resources, Inc., and Managing Partner at Norvista Resources Corp.
Education includes a doctorate from Universidad Nacional Autónoma de México, undergraduate and MBA degrees from Universidad de Las Américas, and a doctorate from Rotman School of Management.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
GREENLAND RESOURCES INC. 20.65% | 03/06/2026 | 27,910,039 ( 20.65% ) | 31 M $ | 30/05/2026 |
Ruben Shiffman active positions
| Companies | Position | Start |
|---|---|---|
| GREENLAND RESOURCES INC. | Chief Executive Officer | 29/04/2019 |
Tel-Aviv University
 Tel-Aviv University Other Consumer ServicesConsumer Services Functions as a College/University | Corporate Officer/Principal | - |
Former positions of Ruben Shiffman
| Companies | Position | End |
|---|---|---|
| GREENHAWK RESOURCES INC. | Director/Board Member | 07/12/2021 |
| HIGHVISTA GOLD INC | Director/Board Member | 25/03/2019 |
| ROCKCLIFF METALS CORPORATION | Director/Board Member | 20/08/2012 |
Calvista Gold Corp.
 Calvista Gold Corp. Precious MetalsNon-Energy Minerals Engages in the acquisition, exploration and development of mineral properties | Founder | 31/12/2011 |
Scotia Capital, Inc.
 Scotia Capital, Inc. Investment ManagersFinance Provides investment advisory, securities trading, financial planning and related services | Corporate Officer/Principal | 31/12/2008 |
Training of Ruben Shiffman
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
67
1st degree connections
15
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 15 |
|---|---|
The Bank of Nova Scotia
 The Bank of Nova Scotia Major BanksFinance Provides personal, commercial, corporate & investment banking, wealth management and capital markets services | Finance |
Scotia Capital, Inc.
Scotia Capital, Inc. Investment ManagersFinance Provides investment advisory, securities trading, financial planning and related services | Finance |
Greenland Resources, Inc.
 Greenland Resources, Inc. Precious MetalsNon-Energy Minerals Engages in exploration of gold | Non-Energy Minerals |
Rotman School of Management
 Rotman School of Management Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Calvista Gold Corp.
Calvista Gold Corp. Precious MetalsNon-Energy Minerals Engages in the acquisition, exploration and development of mineral properties | Non-Energy Minerals |
TD Securities, Inc.
 TD Securities, Inc. Investment Banks/BrokersFinance Provides brokerage services | Finance |
Tel-Aviv University
Tel-Aviv University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Universidad Nacional Autónoma de México
 Universidad Nacional Autónoma de México Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Norvista Resources Corp.
 Norvista Resources Corp. Financial ConglomeratesFinance Provides investment services in natural resources sector | Finance |
Universidad de Las Américas
 Universidad de Las Américas Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Comisión Nacional Bancaria y de Valores
 Comisión Nacional Bancaria y de Valores General GovernmentGovernment Safeguard the stability and integrity of the Mexican financial system and promote efficiency and inclusive development for the benefit of society. | Government |
Rockcliff Metals Corp.
 Rockcliff Metals Corp. Other Metals/MineralsNon-Energy Minerals Mines for copper, zinc, silver and gold | Non-Energy Minerals |
Highvista Gold, Inc.
 Highvista Gold, Inc. Precious MetalsNon-Energy Minerals Engages in the exploration and development of mineral resources | Non-Energy Minerals |
Greenhawk Resources, Inc.
 Greenhawk Resources, Inc. Precious MetalsNon-Energy Minerals Operates as a mineral exploration and mining company specializes in gold projects | Non-Energy Minerals |
Shiffoil, Inc.
 Shiffoil, Inc. Oil & Gas ProductionEnergy Minerals Provides crude oil development and production services | Energy Minerals |
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