Colena’s practice focuses on advising Canadian and foreign-based clients on the taxation of mergers and acquisitions, corporate reorganizations and employee and executive compensation matters, with an emphasis on the resource, emerging companies and technology sectors. Her tax practice also includes the settlement of tax disputes with the Canada Revenue Agency.
Colena is a member of the Canadian Bar Association, Calgary Bar Association, the Canadian Tax Foundation and the Canadian Petroleum Tax Society. She was a former member of the Canadian Tax Foundation - Young Practitioners' Steering Committee (Calgary) and the Past-Chair of the Executive Committee of the Canadian Bar Association’s Taxation Specialists (South).
In 2022 Colena was recognized by Lexpert as one of Canada’s Rising Stars: Canada’s Leading Lawyers Under 40. The Lexpert Rising Stars awards recognize private practice and in-house lawyers who are emerging leaders in the Canadian legal community. Winners are selected by a distinguished advisory board, which considers the contributions that nominees make to their firm, company or department, as well as to the profession and larger community.
Representative Work
- Cents
Cents in its acquisition of Laundroworks
- M3-Brigade Acquisition III Corp.
M3-Brigade Acquisition III Corp. in its US$950 million business combination with Greenfire Resources Inc.
- KKR and AIMCo
KKR and AIMCo in the amendment of the partnership and related agreements in respect of their equity investment in the $11.2B Coastal GasLink Pipeline
- Amarillo Gold Corp.
Amarillo Gold Corp. in its acquisition by Hochschild Mining PLC
- Xero
Xero in its acquisition of TaxCycle
- OpenChannel
OpenChannel in its acquisition by Stripe
- Microsoft
Microsoft in its acquisition of Two Hat
- Canadian Natural Resources Limited
Canadian Natural Resources Limited in the restructuring of the North West Redwater Refinery
- Genesis Fertilizers
Genesis Fertilizers in its partnership formation and equity capital raise to develop a 700,000 metric tonne urea plant and six distribution facilities in Western Canada at an estimated $1.7 billion
- Golder Associates Corporation
Golder Associates Corporation in its $1.5 billion acquisition by WSP
- 2223890 Alberta Ltd.
2223890 Alberta Ltd. in its $195 million go-private transaction with Rocky Mountain Dealerships Inc.
- Radian Capital
Radian Capital in its lead investment in Boast.ai's $30 million Series A financing round
- NewSpring Capital
NewSpring Capital in MacroHealth's $54 million Series A financing round
- Newterra Group Ltd.
Newterra Group Ltd. in its acquisition by Frontenac
- Delphi Energy Corp.
Delphi Energy Corp. in its restructuring transaction under the CCAA
- Husky Energy Inc.
Husky Energy Inc. in its $1.25 billion public offering
- ESC Corporate Services
ESC Corporate Services in its acquisition of Paragon
- Fairhaven Pharmaceuticals
Fairhaven Pharmaceuticals in its acquisition by Liminal BioSciences
- Raymond James Ltd.
The underwriters in the US$45.54 million cross-border secondary offering of common shares of Maverix Metals Inc. by Pan American Silver Corp.
- KKR
Acting for KKR and AIMCo in their joint acquisition of a combined 65% equity interest from TC Energy in the $6.8B Coastal GasLink Pipeline Project
- The Syndicate of Agents
The syndicate of agents in Canadian Pacific Railway’s $300 million Canadian offering
- The Underwriters
The Underwriters in Canadian Pacific Railway’s US$500 million offering
- Quicken Loans
Quicken Loans and Rock Holdings in Edison Financial’s Preferred Round
- Greengate Power Corporation
Greengate Power Corporation in its agreement with Copenhagen Infrastructure Partners to develop Travers Solar – Canada’s largest operating solar energy project
- Steel Reef Infrastructure Corp.
Steel Reef Infrastructure Corp. in its $500 million acquisition of natural gas infrastructure assets from Crescent Point Energy Corp.
- ScribbleLive Rock Content in its acquisition of ScribbleLive
- Mitel Networks on its acquisition of Aastra Technologies
- Angle Energy Inc. In its proposed $576 million acquisition by Bellatrix Exploration Ltd.
- Total E&P Canada Ltd. on the agreement to sell its 49% interest in the Voyageur Upgrader Limited Partnership to Suncor Energy Inc.
- Greengate Power Corporation on all aspects of the development of the 300 MW Blackspring Ridge Wind Project and the sale of the Blackspring Ridge Project to Enbridge Inc. and EDF EN Canada Inc.
- Golden Crescent Investments Ltd., an affiliate of Citadel Capital, in its proposed sale of National Petroleum Company Egypt Limited, to Sea Dragon Energy Inc.
- SCF Partners in its acquisition of Integrated Production Services
- Thule Group of Sweden on its acquisition of Chariot Carriers
- Glam Media Inc. In its cross border acquisition of BBS Media
- Investment Technology Group, Inc. In its $38.5 million acquisition of a private independent research brokerage firm
- Temple Energy Inc. In its “merger of equals” with Cequence Energy Ltd.
- Kulczyk Oil Ventures Inc. In its European initial public offering and acquisition of Triton Hydrocarbons Pty Ltd., an Australian company
Cents in its acquisition of Laundroworks
M3-Brigade Acquisition III Corp. in its US$950 million business combination with Greenfire Resources Inc.
KKR and AIMCo in the amendment of the partnership and related agreements in respect of their equity investment in the $11.2B Coastal GasLink Pipeline
Amarillo Gold Corp. in its acquisition by Hochschild Mining PLC
Xero in its acquisition of TaxCycle
- OpenChannel
OpenChannel in its acquisition by Stripe
- Microsoft
Microsoft in its acquisition of Two Hat
- Canadian Natural Resources Limited
Canadian Natural Resources Limited in the restructuring of the North West Redwater Refinery
- Genesis Fertilizers
Genesis Fertilizers in its partnership formation and equity capital raise to develop a 700,000 metric tonne urea plant and six distribution facilities in Western Canada at an estimated $1.7 billion
- Golder Associates Corporation
Golder Associates Corporation in its $1.5 billion acquisition by WSP
- 2223890 Alberta Ltd.
2223890 Alberta Ltd. in its $195 million go-private transaction with Rocky Mountain Dealerships Inc.
- Radian Capital
Radian Capital in its lead investment in Boast.ai's $30 million Series A financing round
- NewSpring Capital
NewSpring Capital in MacroHealth's $54 million Series A financing round
- Newterra Group Ltd.
Newterra Group Ltd. in its acquisition by Frontenac
- Delphi Energy Corp.
Delphi Energy Corp. in its restructuring transaction under the CCAA
- Husky Energy Inc.
Husky Energy Inc. in its $1.25 billion public offering
- ESC Corporate Services
ESC Corporate Services in its acquisition of Paragon
- Fairhaven Pharmaceuticals
Fairhaven Pharmaceuticals in its acquisition by Liminal BioSciences
- Raymond James Ltd.
The underwriters in the US$45.54 million cross-border secondary offering of common shares of Maverix Metals Inc. by Pan American Silver Corp.
- KKR
Acting for KKR and AIMCo in their joint acquisition of a combined 65% equity interest from TC Energy in the $6.8B Coastal GasLink Pipeline Project
- The Syndicate of Agents
The syndicate of agents in Canadian Pacific Railway’s $300 million Canadian offering
- The Underwriters
The Underwriters in Canadian Pacific Railway’s US$500 million offering
- Quicken Loans
Quicken Loans and Rock Holdings in Edison Financial’s Preferred Round
- Greengate Power Corporation
Greengate Power Corporation in its agreement with Copenhagen Infrastructure Partners to develop Travers Solar – Canada’s largest operating solar energy project
- Steel Reef Infrastructure Corp.
Steel Reef Infrastructure Corp. in its $500 million acquisition of natural gas infrastructure assets from Crescent Point Energy Corp.
- ScribbleLive Rock Content in its acquisition of ScribbleLive
- Mitel Networks on its acquisition of Aastra Technologies
- Angle Energy Inc. In its proposed $576 million acquisition by Bellatrix Exploration Ltd.
- Total E&P Canada Ltd. on the agreement to sell its 49% interest in the Voyageur Upgrader Limited Partnership to Suncor Energy Inc.
- Greengate Power Corporation on all aspects of the development of the 300 MW Blackspring Ridge Wind Project and the sale of the Blackspring Ridge Project to Enbridge Inc. and EDF EN Canada Inc.
- Golden Crescent Investments Ltd., an affiliate of Citadel Capital, in its proposed sale of National Petroleum Company Egypt Limited, to Sea Dragon Energy Inc.
- SCF Partners in its acquisition of Integrated Production Services
- Thule Group of Sweden on its acquisition of Chariot Carriers
- Glam Media Inc. In its cross border acquisition of BBS Media
- Investment Technology Group, Inc. In its $38.5 million acquisition of a private independent research brokerage firm
- Temple Energy Inc. In its “merger of equals” with Cequence Energy Ltd.
- Kulczyk Oil Ventures Inc. In its European initial public offering and acquisition of Triton Hydrocarbons Pty Ltd., an Australian company
Latest Insights
-
Osler Update Apr 18, 2024
Clean energy tax incentives in Budget 2024
Budget 2024 includes tax incentives to support the adoption of clean energy technology and Canada’s net-zero commitments, including investment tax...
Read more -
Webinar Apr 18, 2024
Canadian Tax Law Insights: The 2024 federal budget and its implications for Canadian businesses
Our National Tax Group lead an in-depth discussion of the 2024 federal budget and what it means for your business.
Read more -
Osler Update Dec 4, 2023
Canada introduces legislation to implement clean technology and carbon capture tax credits and provides update on remaining clean energy tax credits
The Canadian federal government has introduced an implementation bill and provided further details of its clean energy initiatives.
Read more -
Webinar Sep 5, 2023
Canadian Tax Law Insights: Clean Energy Measures – Updates and Draft Legislation
Join members of our Tax and Energy teams for an in-depth discussion of the clean energy measures in this legislation package and how they might...
Read more
Awards and Recognition
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International Tax Review: Recognized in Women in Tax as a Highly Regarded lawyer
-
Best Lawyers in Canada: Recognized in Tax Law
-
Lexpert Rising Stars: Recognized as a Rising Star
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The Canadian Legal Lexpert Directory: Recognized in Corporate Tax
Media Mentions
-
Osler News Aug 25, 2023
Osler recognized as a Tier 1 firm in ITR’s World Tax Guide 2024
Osler is proud to once again be recognized as a Tier 1 firm in the 2024 edition of the International Tax Review’s World Tax guide. Additionally, 19...
Read more -
Osler News Nov 23, 2022
Lauren Tomasich and Colena Der named 2022 Lexpert Rising Stars
Congratulations to Osler partners Lauren Tomasich and Colena Der on being named Lexpert Rising Stars for 2022! The awards recognize emerging leaders...
Read more -
Media Mentions Nov 2, 2022
Stock Options: Topical Issues and Recent Developments – CPTS 2022 Fall Lecture Series
The $200,000 cap on certain stock option tax deductions was among the topics covered by Dov Begun and Colena Der during a recent virtual seminar...
Read more -
Osler News Oct 4, 2021
Osler recognized as a Tier 1 firm in ITR’s World Tax Guide 2022
Osler has maintained its Tier 1 rankings in ITR’s World Tax Guide with 18 lawyers recognized as leaders in their field.
Read more
Speaking and Writing
Speaking Engagements
Canadian Tax Law Insights: The 2024 federal budget and its implications for Canadian businesses
Read moreCanadian Tax Law Insights: Clean Energy Measures – Updates and Draft Legislation
Read moreCanadian Tax Law Insights: Clean energy tax incentives in the 2023 federal budget
Read moreCredentials
Education
- University of Ottawa, LL.B.
- University of Alberta, B.Sc. (Hons.) (Pharmacology)
Languages
- English
Professional Affiliations
- Law Society of Alberta
- Canadian Bar Association
- Canadian Tax Foundation
- Canadian Petroleum Tax Society