Estate Lawyer

Brett Turnquist

Calgary's most respected estate litigators

Brett Turnquist is a lawyer whose practice emphasizes adult guardianship and trusteeship litigation, and estate litigation where there may be mental incapacity and/or undue influence issues surrounding the signing of the Deceased’s Last Will and Testament.

Admitted to the Alberta Bar, 2012
University of Calgary, 2011, Juris Doctorate
University of Calgary, 2011, Haskayne School of Business, MBA
University of Calgary, 2005, Bachelor of Arts With Distinction (Political Science) 
University of Calgary, 2005, Bachelor of Arts With Distinction (Psychology) 

Ms. Turnquist also has extensive litigation experience, and has successfully appeared before the Court of Queen’s Bench of Alberta, the Court of Appeal in British Columbia, and the Tax Court of Canada. Brett Turnquist has practiced exclusively in the areas of wills, estates, and incapacity matters, since being called to the Alberta Bar.

Areas of Practice:

  • Contentious Matters
  • Mental incapacity /  litigation
  • Guardianship and Trusteeship litigation
  • Maintenance and Support Applications, where the spouse does not receive the entire Estate
  • Disputes between beneficiaries and personal representatives 
  • Executor and Estate administrators 
  • Accounting application 
  • Power of Attorney fraud and misappropriation
  • Litigation issues arising under Personal Directives and Enduring Powers of Attorneys
  • Minor estate matters 
  • Removal of Attorneys and Agents
  • Removal of guardians and trustees
  • Executor, Attorney and Trustee Compensation applications 
  • Probate
  • Estate Administration
  • Represented Adult matters involving interested parties 
  • Interpretation of Wills
  • Will challenges 
  • Challenges to gifts
  • Challenges to jointly held assets 

Brett Turnquist is working towards her designation as a Trust and Estate Practitioner through the Society of Trust and Estate Practitioners, an international body for professional advisors in the trust and estate administration field.


  • Guardianship and Trusteeship applications
  • Examination and Approval of Trusteeship Accounts applications


  • Canadian Bar Association Alberta, Wills and Trusts Section (South) - Executive Member 2012-present
  • Canadian Bar Association Alberta, Wills and Trusts Section (South) - Member, 2012-present
  • Society of Trust and Estate Practitioners (STEP) - Student Member - 2012-present

Representative Work

  • Has represented individuals in Court of Queen’s Bench of Alberta, British Columbia Court of Appeal, and Tax Court of Canada