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Sébastien Plouffe
Founder at
DEFENCE THERAPEUTICS INC.
Net worth: 802 800 $ as of 2026-05-30
Profile
Sébastien Plouffe is the founder of Sediamek, Inc., founded in 2006, serving as President & Chief Executive Officer.
Mr. Plouffe is the founder of Defence Therapeutics Inc, founded in 2017, serving as President, Chief Executive Officer & Director.
Mr. Plouffe is also the founder of Chevalier Resources, Inc...
Mr. Plouffe currently serves as Director at Bullion Gold Resources Corp.
Former positions include President, Chief Executive Officer & Director at Affinor Growers, Inc. from 2014 to 2015; Director & Vice President-Public Relations at Vanstar Mining Resources, Inc. from 2019 to 2020; Secretary at X-Terra Resources Corp.
from 2007 to 2010; Head-Investor Relations at Anticus International Corp.; Vice President-Finance at Ximen Mining Corp.; Vice President at BMO Nesbitt Burns, Inc.; and Vice President at Canaccord Genuity Corp.
(Investment Management).
Education includes an undergraduate degree from HEC Montréal, conferred in 1994.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-04-29 | 1,800,000 ( 2.38% ) | 802 800 $ | 2026-05-30 | |
| 2025-11-10 | 0 ( -.--% ) | - $ | 2026-05-30 |
Sébastien Plouffe active positions
| Companies | Position | Start |
|---|---|---|
| DEFENCE THERAPEUTICS INC. | Founder | 2017-07-17 |
| BULLION GOLD DISCOVERIES CORP. | Director/Board Member | - |
Sediamek, Inc. | Chief Executive Officer | 2005-12-31 |
Former positions of Sébastien Plouffe
| Companies | Position | End |
|---|---|---|
| VANSTAR MINING RESOURCES INC. | Director/Board Member | 2020-08-17 |
| AFFINOR GROWERS INC. | Chief Executive Officer | 2015-10-01 |
Canaccord Genuity Corp. (Investment Management)
 Canaccord Genuity Corp. (Investment Management) Investment ManagersFinance Profile Unavailable. | Corporate Officer/Principal | - |
BMO Nesbitt Burns, Inc.
 BMO Nesbitt Burns, Inc. Financial ConglomeratesFinance Provides investment and financial advisory services | Corporate Officer/Principal | - |
Chevalier Resources, Inc.
 Chevalier Resources, Inc. Other Metals/MineralsNon-Energy Minerals Mines for copper and cobalt | Founder | - |
Training of Sébastien Plouffe
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
46
1st degree connections
12
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 12 |
|---|---|
X-Terra Resources Corp.
 X-Terra Resources Corp. Other Metals/MineralsNon-Energy Minerals Acquires, explores and develops mining properties | Non-Energy Minerals |
Affinor Growers, Inc.
 Affinor Growers, Inc. Agricultural Commodities/MillingProcess Industries Grows and distributes medical marijuana | Process Industries |
Anticus International Corp.
 Anticus International Corp. Food: Major DiversifiedConsumer Non-Durables Operates as a development stage company with interest to continue its world-wide license to convert waste materials from beer, soft drink and cheese manufacturers into yeast | Consumer Non-Durables |
Bullion Gold Resources Corp.
 Bullion Gold Resources Corp. Precious MetalsNon-Energy Minerals Engages in the acquisition and exploration of mineral properties | Non-Energy Minerals |
Ximen Mining Corp.
 Ximen Mining Corp. Precious MetalsNon-Energy Minerals Engages in exploration and development of mineral properties | Non-Energy Minerals |
Vanstar Mining Resources, Inc.
 Vanstar Mining Resources, Inc. Precious MetalsNon-Energy Minerals Engages in the acquisition, exploration and development of mining & metal properties | Non-Energy Minerals |
BMO Nesbitt Burns, Inc.
BMO Nesbitt Burns, Inc. Financial ConglomeratesFinance Provides investment and financial advisory services | Finance |
HEC Montréal
 HEC Montréal Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Chevalier Resources, Inc.
Chevalier Resources, Inc. Other Metals/MineralsNon-Energy Minerals Mines for copper and cobalt | Non-Energy Minerals |
Canaccord Genuity Corp. (Investment Management)
Canaccord Genuity Corp. (Investment Management) Investment ManagersFinance Profile Unavailable. | Finance |
Sediamek, Inc. | |
Defence Therapeutics Inc
 Defence Therapeutics Inc Pharmaceuticals: MajorHealth Technology Engages in the research and development of anti-body drug conjugates | Health Technology |
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