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Colena Der

Colena Der

Partner, Taxation

Contact Information

cder@osler.com

tel: 403.260.7049

Office

Calgary

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Areas of Expertise
Bar Admission

Alberta, 2009

Education
  • University of Ottawa, LL.B.
  • University of Alberta, B.Sc. (Hons.) (Pharmacology)
Language(s)
English

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). 

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    Xtract Technologies Inc. in its acquisition by Patriot One Technologies Inc.

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    SemCAMS Midstream in its $1.3 billion agreement with Keyera to build Canadian Liquids Pipeline System

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    Google Ventures in its US$15 million investment in CmdWatch Security

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    Pipestone Oil Corp. in its strategic merger with Blackbird Energy Inc. and $309.5 million in equity and debt financings to form Pipestone Energy Corp.

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    Canadian counsel to Kirkland & Ellis LLP in Nine Energy Service Inc.’s acquisition of Magnum Oil Tools International

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    Clio in its acquisition of Lexicata

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    Interaxon in its acquisition of Meditation Studio

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    China Gold International Resources Corp. in its US$500 million bond offering

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    Layer 6 in its acquisition by the Toronto-Dominion Bank

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    First Nations Finance Authority in its $126,000,000 offering of 3.05% Senior Secured Bonds, Series 2017-1, due June 1, 2028

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  • Find More

  • International Tax Review: Recognized in Women in Tax as a Highly Regarded lawyer

  • Law Society of Alberta
  • Canadian Bar Association
  • Canadian Tax Foundation
  • Canadian Petroleum Tax Society