![Theresa Roessel](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>)
Theresa Roessel
Director/Board Member at
ATHABASCA OIL CORPORATION
Net worth: - $ as of 2026-05-30
Profile
Theresa Roessel is currently a Director at Athabasca Oil Corp.
since 2024, a Director at CES Energy Solutions Corp.
starting in 2026, and a Director at The Canadian Red Cross Society since 2020.
Former roles include Vice President & Controller at CNOOC International Ltd. from 2015 to 2018, Chief Financial Officer at Calgary Zoo from 2019 to 2022, Commissioner at Calgary Police Commission from 2020 to 2023, and Chief Financial Officer at Canada Diagnostic Centres (B.C.) Ltd. from 2023 to 2026.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-04-15 | 0 ( -.--% ) | - $ | 2026-05-30 |
Theresa Roessel active positions
| Companies | Position | Start |
|---|---|---|
| ATHABASCA OIL CORPORATION | Director/Board Member | 2023-12-31 |
| CES ENERGY SOLUTIONS CORP. | Director/Board Member | 2026-04-15 |
The Canadian Red Cross Society
 The Canadian Red Cross Society Miscellaneous Commercial ServicesCommercial Services Provides social services | Director/Board Member | - |
Former positions of Theresa Roessel
| Companies | Position | End |
|---|---|---|
Canada Diagnostic Centres (B.C.) Ltd.
 Canada Diagnostic Centres (B.C.) Ltd. Medical/Nursing ServicesHealth Services Provides medical imaging services | Director of Finance/CFO | 2026-03-31 |
Calgary Police Commission
 Calgary Police Commission General GovernmentGovernment Municipal department | Corporate Officer/Principal | 2023-10-31 |
Calgary Zoo
 Calgary Zoo Other Consumer ServicesConsumer Services Owns and operates zoo | Director of Finance/CFO | 2022-11-30 |
CNOOC International Ltd.
 CNOOC International Ltd. Electric UtilitiesUtilities Provides energy services | Comptroller/Controller/Auditor | 2018-11-30 |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
11
1st degree connections
7
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 7 |
|---|---|
Calgary Police Commission
Calgary Police Commission General GovernmentGovernment Municipal department | Government |
Athabasca Oil Corp.
 Athabasca Oil Corp. Integrated OilEnergy Minerals Engages in exploration of oil and natural gas properties | Energy Minerals |
The Canadian Red Cross Society
The Canadian Red Cross Society Miscellaneous Commercial ServicesCommercial Services Provides social services | Commercial Services |
CES Energy Solutions Corp.
 CES Energy Solutions Corp. Chemicals: Major DiversifiedProcess Industries Develops drilling fluids and chemicals for the oil and gas industry | Process Industries |
CNOOC International Ltd.
CNOOC International Ltd. Electric UtilitiesUtilities Provides energy services | Utilities |
Canada Diagnostic Centres (B.C.) Ltd.
Canada Diagnostic Centres (B.C.) Ltd. Medical/Nursing ServicesHealth Services Provides medical imaging services | Health Services |
Calgary Zoo
Calgary Zoo Other Consumer ServicesConsumer Services Owns and operates zoo | Consumer Services |
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