Sean Roosen

Sean Roosen

Chief Executive Officer at OSISKO GOLD GROUP INC.

Net worth: 4 M $ as of 2026-09-29

62 year
Non-Energy Minerals
Finance
Energy Minerals

Profile

Mr. Sean E.
Roosen is an Independent Director at Sirios Resources, Inc. and a Chairman & Chief Executive Officer at Osisko Gold Group, Inc. He is on the Board of Directors at Sirios Resources, 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 Chairman-Emeritus by OR Royalties, 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

CompanyDateNumber of sharesValuationValuation date
2026-06-22 983,644 ( 0.32% ) 3 M $ 2026-09-29
2026-06-16 2,527,832 ( 0.72% ) 960 576 $ 2026-09-29
2026-03-24 1,763,227 ( 0.26% ) 257 431 $ 2026-09-29

Sean Roosen active positions

CompaniesPositionStart
OSISKO GOLD GROUP INC. Chief Executive Officer 2020-11-24
SIRIOS RESOURCES INC. Director/Board Member 2026-02-26
Director/Board Member 2010-06-03

Former positions of Sean Roosen

CompaniesPositionEnd
OSISKO GREEN ACQUISITION LIMITED Chief Executive Officer 2022-12-31
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
See the detail of Sean Roosen's experience

Training of Sean Roosen

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

Connections

54

1st degree connections

35

1st degree companies

Male

Female

Members of the board

Executives

Linked companies

Private companies35

Finance

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Miscellaneous

Non-Energy Minerals

Energy Minerals

Non-Energy Minerals

IRT Interconti Trading GmbH

EurAsia Resource Holdings AG

Finance

Non-Energy Minerals

Consumer Services

Non-Energy Minerals

EurAsia Resource Value SE

Non-Energy Minerals

Energy Minerals

Non-Energy Minerals

Finance