![Thomas Olesinski](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>)
Thomas Olesinski
Director/Board Member at
TROILUS MINING CORP.
Net worth: 1 M $ as of 2026-06-29
Profile
Thomas Olesinski is currently an Independent Director at Troilus Mining Corp.
since 2017 and Chief Financial Officer at Lithium Ionic Corp.
since 2022.
Former roles include Chief Executive Officer at Havas Worldwide Canada, Inc., Director-Finance & Operations at Cossette, Inc. from 1999 to 2006, Director at Pitchblack Resources Ltd., Independent Director at Euro Sun Mining, Inc. in 2019, Independent Director at Medivolve, Inc. from 2017 to 2019, Independent Director at Savary Gold Corp., Chief Financial Officer & Executive Director at Brainrider, Inc. from 2021 to 2022, Accountant at BDO Dunwoody LLP, and Chief Executive & Financial Officer at Havas Media Canada from 2006 to 2019.
Education includes undergraduate studies at the University of Toronto.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
TROILUS MINING CORP 0.16% | 2025-12-14 | 840,019 ( 0.16% ) | 991 222 $ | 2026-06-29 |
Lithium Ionic Corp.
 Lithium Ionic Corp. Other Metals/MineralsNon-Energy Minerals Operates as a lithium-focused mining company 0.07% | 2026-01-13 | 138,132 ( 0.07% ) | 72 105 $ | 2026-06-29 |
Thomas Olesinski active positions
| Companies | Position | Start |
|---|---|---|
| TROILUS MINING CORP. | Director/Board Member | 2017-12-19 |
Lithium Ionic Corp.
Lithium Ionic Corp. Other Metals/MineralsNon-Energy Minerals Operates as a lithium-focused mining company | Director of Finance/CFO | 2022-11-02 |
Former positions of Thomas Olesinski
| Companies | Position | End |
|---|---|---|
Brainrider, Inc.
 Brainrider, Inc. Miscellaneous Commercial ServicesCommercial Services Acts as pipeline marketing agency that helps business to adopt better marketing strategies and Develops software | Director of Finance/CFO | 2022-03-31 |
| EURO SUN MINING INC. | Director/Board Member | 2019-11-06 |
| MEDIVOLVE INC. | Director/Board Member | 2019-03-18 |
Havas Media Canada
 Havas Media Canada Advertising/Marketing ServicesCommercial Services Operates as a global marketing communications agency company | Chief Executive Officer | 2019-01-31 |
Havas Worldwide Canada, Inc.
 Havas Worldwide Canada, Inc. Advertising/Marketing ServicesCommercial Services Provides advertising and communications services | Chief Executive Officer | 2019-01-24 |
Training of Thomas Olesinski
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
21
1st degree connections
12
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 12 |
|---|---|
Cossette, Inc.
 Cossette, Inc. Miscellaneous Commercial ServicesCommercial Services Provides communication planning, research and marketing services | Commercial Services |
Pitchblack Resources Ltd.
 Pitchblack Resources Ltd. Other Metals/MineralsNon-Energy Minerals Acquires, explores and develops mineral properties | Non-Energy Minerals |
Euro Sun Mining, Inc.
 Euro Sun Mining, Inc. Precious MetalsNon-Energy Minerals Mines for gold | Non-Energy Minerals |
Medivolve, Inc.
 Medivolve, Inc. Information Technology ServicesTechnology Services Provides healthcare technology services and develops a tele-health platform | Technology Services |
Savary Gold Corp.
 Savary Gold Corp. Precious MetalsNon-Energy Minerals Operates as a junior exploration company focused on the exploration and development of gold properties | Non-Energy Minerals |
BDO Dunwoody LLP
 BDO Dunwoody LLP Miscellaneous Commercial ServicesCommercial Services Provides accounting services | Commercial Services |
University of Toronto
 University of Toronto Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Brainrider, Inc.
Brainrider, Inc. Miscellaneous Commercial ServicesCommercial Services Acts as pipeline marketing agency that helps business to adopt better marketing strategies and Develops software | Commercial Services |
Havas Media Canada
Havas Media Canada Advertising/Marketing ServicesCommercial Services Operates as a global marketing communications agency company | Commercial Services |
Havas Worldwide Canada, Inc.
Havas Worldwide Canada, Inc. Advertising/Marketing ServicesCommercial Services Provides advertising and communications services | Commercial Services |
Troilus Gold Corp.
 Troilus Gold Corp. Precious MetalsNon-Energy Minerals Engages in mining of gold and copper | Non-Energy Minerals |
Lithium Ionic Corp.
Lithium Ionic Corp. Other Metals/MineralsNon-Energy Minerals Operates as a lithium-focused mining company | Non-Energy Minerals |
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