Sean Roosen
Chief Executive Officer at OSISKO GREEN ACQUISITION LIMITED
Net worth: 13 M $ as of 2024-03-30
Profile
Sean E.
O.
Roosen founded Osisko Mining Corp.
in 1982, where he worked as President, Chief Executive Officer & Director from 2010 to 2014.
Mr. Roosen also currently works at Osisko Development Corp., as Chairman & Chief Executive Officer from 2020, Osisko Green Acquisition Ltd., as Chairman & Chief Executive Officer from 2021, Brett Resources, Inc., as Director from 2010, and EurAsia Holding AG, as Member-Supervisory Board from 2014.
Mr. Roosen also formerly worked at Niogold Mining Corp., as Chairman from 2015 to 2016, Rio Novo Gold, Inc., as Non-Executive Chairman from 2010 to 2012, Falco Resources Ltd., as Chairman from 2014 to 2019, Condor Energies, Inc., as Founding Chairman from 2011 to 2019, EurAsia Resource Holdings AG, as Founding Chairman, Barkerville Gold Mines Ltd., as Chairman from 2015 to 2019, Osisko Gold Royalties Ltd., as Non-Executive Chairman in 2023, ValGold Resources Ltd., as Director, Unigold, Inc., as Director, Mistango River Resources, Inc., as Director, Nevoro, Inc., as Director, Osisko Metals, Inc., as Independent Director from 2011 to 2016, Victoria Gold Corp., as Independent Director from 2018 to 2021, Nighthawk Gold Corp., as Director, Highland Copper Co., Inc., as Director, Black Dragon Gold Corp., as Independent Director from 2010 to 2014, Gold Terra Resource Corp., as Director, Bonterra Resources, Inc., as Director, Dalradian Resources, Inc., as Independent Director from 2010 to 2018, Cornish Metals, Inc., as Director, Brunswick Exploration, Inc., as Director, KGL Resources Ltd.
(Canada), as Director, IRT Interconti Trading GmbH, as Operations Director in 2003, Ryan Gold Corp., as Director, Osisko Mining, Inc., as Independent Director from 2020 to 2022, EurAsia Resource Value SE, as Director, Etruscan Resources, Inc., as Operations Manager, and Falcon Energy, Inc., as Chief Operating Officer.
Mr. Roosen received his undergraduate degree from Haileybury School of Mines.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2023-08-10 | 602,448 ( 0.32% ) | 10 M $ | 2024-03-30 | |
OSISKO MINING INC
0.38% | 2023-05-25 | 1,416,792 ( 0.38% ) | 3 M $ | 2024-03-30 |
OSISKO DEVELOPMENT CORP
0.07% | 2023-12-30 | 58,689 ( 0.07% ) | 125 008 $ | 2024-03-30 |
Sean Roosen active positions
| Companies | Position | Start |
|---|---|---|
| OSISKO GREEN ACQUISITION LIMITED | Chief Executive Officer | 2021-07-07 |
| OSISKO DEVELOPMENT CORP. | Chief Executive Officer | 2020-12-01 |
EurAsia Holding AG
 EurAsia Holding AG MiscellaneousMiscellaneous EurAsia Holdings AG is a private holding company with interests in commodities trading. The company is headquartered in Freiburg, Germany. | Director/Board Member | 2014-06-08 |
Brett Resources, Inc.
 Brett Resources, Inc. Precious MetalsNon-Energy Minerals Brett Resources, Inc. engages in the exploration and development of mineral properties in Latin America, Canada, and Alaska. It explores for gold, tin, silver, lead, and zinc ores. The company was founded on September 11, 1986 and is headquartered in Vancouver, Canada | Director/Board Member | 2010-06-03 |
Former positions of Sean Roosen
| Companies | Position | End |
|---|---|---|
| OSISKO GOLD ROYALTIES LTD | Chief Executive Officer | 2020-11-24 |
| OSISKO MINING INC. | Chairman | 2020-09-15 |
| VICTORIA GOLD CORP. | Director/Board Member | 2021-06-22 |
| FALCO RESOURCES LTD. | Chairman | 2019-03-19 |
| CONDOR ENERGIES INC. | Chairman | 2019-03-03 |
Training of Sean Roosen
| Haileybury School of Mines | Undergraduate Degree |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Listed companies | 16 |
|---|---|
| UNIGOLD INC. | Non-Energy Minerals |
| MISTANGO RIVER RESOURCES INC. | Non-Energy Minerals |
| OSISKO METALS INCORPORATED | Non-Energy Minerals |
| VICTORIA GOLD CORP. | Non-Energy Minerals |
| HIGHLAND COPPER COMPANY INC. | Non-Energy Minerals |
| BLACK DRAGON GOLD CORP. | Non-Energy Minerals |
| GOLD TERRA RESOURCE CORP. | Non-Energy Minerals |
| BONTERRA RESOURCES INC. | Non-Energy Minerals |
| FALCO RESOURCES LTD. | Non-Energy Minerals |
| CORNISH METALS INC. | Non-Energy Minerals |
| BRUNSWICK EXPLORATION INC. | Non-Energy Minerals |
| CONDOR ENERGIES INC. | Energy Minerals |
| KGL RESOURCES LTD. | Non-Energy Minerals |
| OSISKO MINING INC. | Non-Energy Minerals |
| OSISKO GOLD ROYALTIES LTD | Non-Energy Minerals |
| OSISKO DEVELOPMENT CORP. | Non-Energy Minerals |
| Private companies | 17 |
|---|---|
ValGold Resources Ltd.
 ValGold Resources Ltd. Precious MetalsNon-Energy Minerals ValGold Resources Ltd. engages in the exploration and development of mineral properties. It also focuses on seeking and holding resource royalties. The company was founded on April 14, 1987 and is headquartered in Thorold, Canada. | Non-Energy Minerals |
Etruscan Resources, Inc.
 Etruscan Resources, Inc. Precious MetalsNon-Energy Minerals Etruscan Resources, Inc. explores for and mines for mineral properties. The company was founded on December 24, 1969 and is headquartered in Halifax, Canada. | Non-Energy Minerals |
Brett Resources, Inc.
Brett Resources, Inc. Precious MetalsNon-Energy Minerals Brett Resources, Inc. engages in the exploration and development of mineral properties in Latin America, Canada, and Alaska. It explores for gold, tin, silver, lead, and zinc ores. The company was founded on September 11, 1986 and is headquartered in Vancouver, Canada | Non-Energy Minerals |
Niogold Mining Corp.
 Niogold Mining Corp. Precious MetalsNon-Energy Minerals Niogold Mining Corp. explores and mines for gold. Its main business is the acquisition, exploration and development of natural resource properties in the province of Quebec. The company projects are located in the Cadillac-Malartic-Val-d'Or stretch of the prolific Abitibi gold mining district. Niogold Mining was founded on March 30, 1988 and is headquartered in Langley, Canada. | Non-Energy Minerals |
Nevoro, Inc.
 Nevoro, Inc. Other Metals/MineralsNon-Energy Minerals Nevoro, Inc. explores and develops precious & base metals in the United States of America. It owns and operates the stillwater nickel, copper, cobalt & chromite project in Montana, the moonlight copper project in California and eight gold exploration projects in Nevada. The company was founded in 1945 and is headquartered in Toronto, Canada. | Non-Energy Minerals |
Nighthawk Gold Corp.
 Nighthawk Gold Corp. Precious MetalsNon-Energy Minerals Nighthawk Gold Corp. engages in the acquisition, exploration, and evaluation of gold mineral properties in the Northwest Territories. It focuses on Colomac Gold Project. The company was founded on October 8, 2004 and is headquartered in Toronto, Canada. | Non-Energy Minerals |
Rio Novo Gold, Inc.
 Rio Novo Gold, Inc. Precious MetalsNon-Energy Minerals Rio Novo Gold, Inc. engages in the acquisition, exploration, and development of gold mineral resource properties. Its projects include Almas, Matupá, and Tolda Fria. The company was founded on January 4, 2008 and is headquartered in Barra da Tijuca, Braz il. | Non-Energy Minerals |
Dalradian Resources, Inc.
 Dalradian Resources, Inc. Precious MetalsNon-Energy Minerals Dalradian Resources, Inc. engages in the acquisition, exploration, and development of precious and base metals projects. It operates through the Northern Island and Canada geographical segments. It focuses on the Curraghinalt Gold Project. The company was founded on March 27, 2009 and is headquartered in Toronto, Canada. | Non-Energy Minerals |
Osisko Mining Corp.
 Osisko Mining Corp. Precious MetalsNon-Energy Minerals Osisko Mining Corp. is a mining company, which is focused on acquiring, exploring, developing and mining gold properties. The company holds interest in the Canadian Malartic gold mine located in the Abitibi mining district; owns the advanced stage Hammond Reef project in Northern Ontario; and is also pursuing exploration on a number of properties, including the Upper Beaver project in Northeastern Ontario. Osisko Mining was founded by John Feliks Burzynski, Sean E. O. Roosen and Robert P. Wares on February 18, 1982 and is headquartered in Montreal, Canada. | Non-Energy Minerals |
EurAsia Holding AG
EurAsia Holding AG MiscellaneousMiscellaneous EurAsia Holdings AG is a private holding company with interests in commodities trading. The company is headquartered in Freiburg, Germany. | Miscellaneous |
| IRT Interconti Trading GmbH | |
| EurAsia Resource Holdings AG | |
Barkerville Gold Mines Ltd.
 Barkerville Gold Mines Ltd. Precious MetalsNon-Energy Minerals Barkerville Gold Mines Ltd. is a natural resource company, which engages in the acquisition, exploration and development of natural resource properties. The company was founded on February 12, 1970 and is headquartered in Vancouver, Canada. | Non-Energy Minerals |
Ryan Gold Corp.
 Ryan Gold Corp. Precious MetalsNon-Energy Minerals Ryan Gold Corp. is a gold exploration company. The company was founded on September 4, 1990 and is headquartered in Toronto, Canada. | Non-Energy Minerals |
| EurAsia Resource Value SE | |
Falcon Energy, Inc.
 Falcon Energy, Inc. Oil & Gas ProductionEnergy Minerals Falcon Energy, Inc. produces natural gas and oil. The private company is based in Vancouver, Canada. | Energy Minerals |
Osisko Green Acquisition Ltd.
 Osisko Green Acquisition Ltd. Financial ConglomeratesFinance Osisko Green Acquisition Ltd. is a special purpose acquisition corporation. It engages in the business of effecting, directly or indirectly, an acquisition of one or more businesses or assets, by way of a merger, amalgamation, arrangement, share exchange, asset acquisition, share purchase, reorganization, or any other similar business combination. The company was founded on July 8, 2021 and is headquartered in Toronto, Canada. | Finance |
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