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Elizabeth Mathieu

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

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

. Her legal practice focuses on:

• Estates, gifts, and trusts planning and administration
• Powers of attorney and health care directives
• Tax law - estates, gifts, trusts, retirement plans, and other planning structures
• Charitable planning (domestic and international)
• International estate planning
• Pre and post nuptial agreements
• Tax-exempt charitable organizations entity selection, formation, and management


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 led trust companies at institutions such as Chase Manhattan Private Bank and Neuberger Berman Trust Companies and headed a family office. She also managed her own law firm in New York.

Thus, she provides practical as well as legal advice and solutions to clients.

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.

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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Certifications
TRUSTS AND ESTATES PRACTIONER
SOCIETY OF TRUSTS AND ESTATES PRACTIONERS
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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Jurisdictions Admitted to Practice
Idaho
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New York
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U.S. Supreme Court
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Fees
  • Free Consultation
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
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