![Sean Roosen](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>)
Sean Roosen
Chief Executive Officer at
OSISKO DEVELOPMENT CORP.
Net worth: 4 M $ as of 30/04/2026
Profile
Mr. Sean E.
Roosen is a Chairman & Chief Executive Officer at Osisko Development Corp.
and a Chairman-Emeritus at OR Royalties, Inc. He is on the Board of Directors at OR Royalties, Inc., Brett Resources, Inc. and OVI Mining Corp.
Mr. Roosen was previously employed as a Chairman & Chief Executive Officer by Osisko Green Acquisition Ltd., an Independent Director by Victoria Gold Corp., a Chairman by Barkerville Gold Mines Ltd., a Chairman by Falco Resources Ltd., a Chairman by Niogold Mining Corp., an Independent Director by Osisko Mining, Inc., a Founding Chairman by Condor Petroleum, Inc., an Independent Director by Black Dragon Gold Corp., an Independent Director by Dalradian Resources, Inc., a Non-Executive Chairman by Rio Novo Gold, Inc., an Independent Director by Bowmore Exploration Ltd., an Operations Director by IRT Interconti Trading GmbH, a President, Chief Executive Officer & Director by Osisko Mining Corp., an Operations Manager by Etruscan Resources, Inc., a Chairman-Supervisory Board by EurAsia Holding AG, a Founding Chairman by EurAsia Resource Holdings AG, and a Chief Operating Officer by Falcon Energy, Inc. He also served on the board at Bonterra Resources, Inc., Brunswick Exploration, Inc., Cornish Metals, Inc., EurAsia Resource Value SE, Gold Terra Resource Corp., Highland Copper Co., Inc., KGL Resources Ltd. (Canada), Nevoro, Inc., Nighthawk Gold Corp., Ryan Gold Corp., Stardust Metal Corp., Unigold, Inc. and ValGold Resources Ltd. He received his undergraduate degree from Haileybury School of Mines.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 10/04/2026 | 9,83,644 ( 0.32% ) | 3 M $ | 30/04/2026 | |
FALCO RESOURCES LTD. 0.58% | 04/11/2025 | 20,27,832 ( 0.58% ) | 669 185 $ | 30/04/2026 |
Sirios Resources, Inc.
 Sirios Resources, Inc. Precious MetalsNon-Energy Minerals Explores and develops gold deposits 0.27% | 25/03/2026 | 17,63,227 ( 0.27% ) | 264 484 $ | 30/04/2026 |
Sean Roosen active positions
| Companies | Position | Start |
|---|---|---|
| OR ROYALTIES INC. | Founder | 01/04/2014 |
| OSISKO DEVELOPMENT CORP. | Chief Executive Officer | 25/11/2020 |
Brett Resources, Inc.
 Brett Resources, Inc. Precious MetalsNon-Energy Minerals Explore, acquires and mines for precious metal resources | Director/Board Member | 04/06/2010 |
Former positions of Sean Roosen
| Companies | Position | End |
|---|---|---|
| OSISKO GREEN ACQUISITION LIMITED | Chief Executive Officer | 01/01/2023 |
| OSISKO MINING INC. | Chairman | 16/09/2020 |
| VICTORIA GOLD CORP. | Director/Board Member | 23/06/2021 |
| FALCO RESOURCES LTD. | Chairman | 20/03/2019 |
| CONDOR ENERGIES INC. | Chairman | 04/03/2019 |
Training of Sean Roosen
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
54
1st degree connections
34
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 34 |
|---|---|
ValGold Resources Ltd.
 ValGold Resources Ltd. Financial ConglomeratesFinance Operates as a royalty, mineral exploration and development company | Finance |
Etruscan Resources, Inc.
 Etruscan Resources, Inc. Precious MetalsNon-Energy Minerals Explores for and mines for mineral properties | Non-Energy Minerals |
Unigold, Inc.
 Unigold, Inc. Precious MetalsNon-Energy Minerals Explores properties for gold | Non-Energy Minerals |
Mistango River Resources, Inc.
 Mistango River Resources, Inc. Precious MetalsNon-Energy Minerals Acquires and explores mineral properties | Non-Energy Minerals |
Brett Resources, Inc.
Brett Resources, Inc. Precious MetalsNon-Energy Minerals Explore, acquires and mines for precious metal resources | Non-Energy Minerals |
Niogold Mining Corp.
 Niogold Mining Corp. Precious MetalsNon-Energy Minerals Operates as a gold exploration company | Non-Energy Minerals |
Nevoro, Inc.
 Nevoro, Inc. Other Metals/MineralsNon-Energy Minerals Explores and develops metals | Non-Energy Minerals |
Osisko Metals, Inc.
 Osisko Metals, Inc. Other Metals/MineralsNon-Energy Minerals Engages in zinc ore mining | Non-Energy Minerals |
Victoria Gold Corp.
 Victoria Gold Corp. Precious MetalsNon-Energy Minerals Engages in acquisition, exploration and development of gold properties | Non-Energy Minerals |
Nighthawk Gold Corp.
 Nighthawk Gold Corp. Precious MetalsNon-Energy Minerals Operates as a gold exploration and development company | Non-Energy Minerals |
Highland Copper Co., Inc.
 Highland Copper Co., Inc. Other Metals/MineralsNon-Energy Minerals Engages in copper and other mineral exploration | Non-Energy Minerals |
EMC Gold Corp.
 EMC Gold Corp. Precious MetalsNon-Energy Minerals Acquires, explores, develops and operates precious metal assets | Non-Energy Minerals |
Gold Terra Resource Corp.
 Gold Terra Resource Corp. Precious MetalsNon-Energy Minerals Explores and develops natural resource properties | Non-Energy Minerals |
Bonterra Resources, Inc.
 Bonterra Resources, Inc. Precious MetalsNon-Energy Minerals Acquires, explores and develops mineral properties | Non-Energy Minerals |
Rio Novo Gold, Inc.
 Rio Novo Gold, Inc. Precious MetalsNon-Energy Minerals Engages in acquisition, exploration and development of gold minerals | Non-Energy Minerals |
Falco Resources Ltd.
 Falco Resources Ltd. Precious MetalsNon-Energy Minerals Mines for gold and other minerals | Non-Energy Minerals |
Dalradian Resources, Inc.
 Dalradian Resources, Inc. Precious MetalsNon-Energy Minerals Engages in exploration of gold, silver and copper mines | Non-Energy Minerals |
Osisko Mining Corp.
 Osisko Mining Corp. Precious MetalsNon-Energy Minerals Mines for gold | Non-Energy Minerals |
Cornish Metals, Inc.
 Cornish Metals, Inc. Other Metals/MineralsNon-Energy Minerals Explores and mines mineral deposits | Non-Energy Minerals |
EurAsia Holding AG
 EurAsia Holding AG MiscellaneousMiscellaneous Operates as a private holding company | Miscellaneous |
Brunswick Exploration, Inc.
 Brunswick Exploration, Inc. Precious MetalsNon-Energy Minerals Mines for gold and silver | Non-Energy Minerals |
Condor Energies, Inc.
 Condor Energies, Inc. Integrated OilEnergy Minerals Operates as an investment holding company with in exploration and development of oil and gas properties | Energy Minerals |
KGL Resources Ltd. (Canada)
 KGL Resources Ltd. (Canada) Other Metals/MineralsNon-Energy Minerals Operates as a copper exploration company | Non-Energy Minerals |
IRT Interconti Trading GmbH | |
EurAsia Resource Holdings AG | |
Barkerville Gold Mines Ltd.
 Barkerville Gold Mines Ltd. Financial ConglomeratesFinance Engages in acquisition, exploration & development of gold mineral properties | Finance |
Ryan Gold Corp.
 Ryan Gold Corp. Precious MetalsNon-Energy Minerals Engages in the exploration of gold resources | Non-Energy Minerals |
Haileybury School of Mines
 Haileybury School of Mines Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Osisko Mining, Inc.
 Osisko Mining, Inc. Precious MetalsNon-Energy Minerals Engages in the exploration and development of gold projects | Non-Energy Minerals |
EurAsia Resource Value SE | |
Osisko Gold Royalties Ltd.
 Osisko Gold Royalties Ltd. Precious MetalsNon-Energy Minerals Operates as a gold mining company | Non-Energy Minerals |
Falcon Energy, Inc.
 Falcon Energy, Inc. Oil & Gas ProductionEnergy Minerals Produces natural gas and oil | Energy Minerals |
Osisko Development Corp.
 Osisko Development Corp. Precious MetalsNon-Energy Minerals Mines for gold and other minerals | Non-Energy Minerals |
Osisko Green Acquisition Ltd.
 Osisko Green Acquisition Ltd. Finance/Rental/LeasingFinance Operates as a special purpose acquisition corporation | Finance |
- Stock Market
- Insiders
- Sean Roosen
