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Elizabeth Mathieu

Mathieu, Ranum & Allaire, PLLC
  • Estate Planning, Tax Law
  • Idaho, New York
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Claimed Lawyer Profile
Biography

Elizabeth L. Mathieu is a highly experienced attorney based in Ketchum, Idaho, and is a co-founding and managing partner at Mathieu, Ranum & Allaire, PLLC

. Her legal practice focuses on:

Trusts and estates

International estate planning

Charitable planning (domestic and international)

Tax-exempt charitable organization law

Tax law (including estate, fiduciary, and business tax matters)

She has over 38 years of legal experience, with bar admissions in Idaho (since 2011), New York (since 1983), and the U.S. Supreme Court (since 2009).

Before moving to Idaho, Mathieu held leadership roles at institutions such as Chase Manhattan Private Bank and Neuberger Berman Trust Companies, and she managed her own law firm in New York.

Mathieu is recognized as an authority in tax and estate planning and has frequently published and spoken on related topics. Her work has appeared in publications like the NYU Institute on Federal Taxation Proceedings, Journal of Estate Planning, Journal of Gift Planning, Ali-Aba Post-Mortem Estate Planning, and Journal of Private Portfolio Management. She has been quoted in Forbes, Fortune, Departures Magazine, and the Financial Times.

She is active in professional organizations, including the Society of Trust and Estate Practitioners and the International Women's Forum.

Mathieu holds a BA from Vassar College, a JD from Suffolk University Law School, and a Master’s in International Affairs from Columbia University.

Award - She is ranked by Chambers and Partners High Net Worth Guide.

She is described by clients and peers as extremely knowledgeable, thorough, and pleasant to work with.

Languages spoken include English, and basic French, and Italian.

Practice Areas
Estate Planning
Guardianship & Conservatorship Estate Administration, Health Care Directives, Trusts, Wills
Tax Law
Business Taxes, Criminal Tax Litigation, Estate Tax Planning, Income Taxes, International Taxes, Payroll Taxes, Property Taxes, Sales Taxes, Tax Appeals, Tax Audits, Tax Planning
Additional Practice Area
  • Tax-Exempt Organizations Law
Fees
  • Free Consultation
Jurisdictions Admitted to Practice
Idaho
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New York
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U.S. Supreme Court
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Education
Vassar College
B.A.
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Suffolk University Law School
J.D.
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Columbia University School of International Affairs
M.A.
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Professional Associations
Idaho Bar
Member
Current
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US Supreme Court
Admitted
Current
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American Bar Association, Real Property, Probate and Trusts
Member
Current
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American Bar Association, Taxation
Member
Current
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International Women's Forum
President, IWF Idaho
- Current
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Society of Trust and Estate Practitioners
Member
- Current
Activities: International society of estate planning attorneys
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New York State Bar  # 2109460
Member
- Current
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Certifications
TRUSTS AND ESTATES PRACTIONER
SOCIETY OF TRUSTS AND ESTATES PRACTIONERS
Websites & Blogs
Website
Website
Blog
THE RIGHT TO FARM IN IDAHO TAKES PRECEDENCE OVER EASEMENTS
Contact & Map
Main Office
120 Second Avenue, N.
Ketchum, ID 83340
US
Telephone: (208) 928-6975
Cell: (914) 484-2348