William V.A. Zorn headshot
900 Elm Street
10th Floor
Manchester, NH 03101
300 TradeCenter
Suite 7000
Woburn, MA 01801
Tel: 603 628 1340

William V.A. Zorn

Director and Vice Chair, Trusts & Estates Department

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Bill is a director and vice chair of the firm's Trusts & Estates Department. He concentrates his practice in sophisticated estate planning, including the implementation and administration of tax strategies and trusts and alternative strategies for high income and high net worth individuals, families, executives and business owners, as well as strategies involving asset protection and wealth preservation.

Bill is experienced representing major lottery winners in the New England region assisting them with their income tax, gift tax, confidentiality and family planning issues.

Bill co-authored the book, "New Hampshire Practice Series: Probate and Administration of Estates, Trusts & Guardianships, Fourth Edition (Vols. 10, 11 and 12)."  The book is a comprehensive, current reference on probate court procedure and the administration of estates in New Hampshire, this three-volume publication completely revises former Rockingham County Probate Judge William Treat's pioneering treatise on probate law published in 1968. Contains practical advice, analysis of current law, numerous checklists, and completed forms used in probate proceedings.  For more on the book, please click here.

Bill received his LL.M., Taxation, from Boston University (1983), J.D. from Boston University (1978) and his A.B. from Dartmouth College (1975).

Areas of Focus

  • Asset Protection and Wealth Preservation
  • Estate Planning and Trust and Estate Administration
  • Private and Non Depository Trust Companies
  • Taxation
  • Non-Profit and Charitable Planning


  • New Hampshire
  • Massachusetts
  • U.S. Tax Court
  • New Hampshire Estate Planning Council (member and former Chair)
  • New Hampshire Bar Association (member and former Chair, Tax Section and member of the Real Property and Probate Section and Corporate Section)
  • Massachusetts Bar Association
  • American Bar Association (member, Tax Section)
  • American College of Trust and Estate Counsel (ACTEC) (State Chair; member, Asset Protection Committee


  • Ranked in Chambers High Net Worth (HNW) (2017 - 2021) (Private Wealth Law)
  • Best Lawyers in America (1989 - 2022) (Tax Law, Trusts and Estates)
  • Bill is a Fellow of the American College of Trust & Estate Counsel (ACTEC).
  • Top 100 Lawyers in New England Super Lawyers (2014-2015, 2017-2019)
  • New England Super Lawyers®
  • AV Peer Review Rated, Martindale-Hubbell


  • Trustee Emeritus, The Derryfield School
  • Member, Board of Trustees, The Derryfield School, Chair of the 50th Year Capital Campaign
  • Member, Board of Directors, Greater Manchester Family YMCA
  • Former member, Board of Directors, Greater Manchester Chapter of the American Red Cross
  • Former President and member of the Board of Directors of Stage One Productions
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Seminar Replays

Domicile Planning: Personal and Trust Domicile Issues (9/17/2015)

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The strengths of our practice groups and the industries we serve make McLane Middleton one of the most diverse law firms in New England.

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At McLane Middleton we establish and maintain long-standing relationships with our clients to help us better achieve their unique goals over time. This approach to building trust requires that our esteemed lawyers and professionals use their broad, in-depth knowledge and work together with integrity to ascertain sound resolutions to legal matters for their clients.

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McLane Middleton is made up of more than 105 attorneys who represent a broad range of clients throughout the region, delivering customized solutions. As a firm we are recognized as having the highest legal ability rating. The firm is rated Preeminent by Martindale Hubbell and is recognized as one of the nation's leading law firms in Chambers USA. Our attorneys are distinguished leaders in their respective practice areas.

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McLane Middleton's versatile group of attorneys and paralegals become trusted authorities on each case through collaboration. We work with our clients to learn their individual needs first and foremost and, together, we develop comprehensive solutions to their specific legal matters. This approach helps us exceed our clients' expectations efficiently and effectively, client by client, case by case.

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McLane Middleton was established in 1919 in New Hampshire, and has five offices across two states. However, deep historical roots don't allow you to become innate. Our firm is organized, technological, and knowledgeable. Our history means we are recognized. But our reputation is built on the highest quality of service and experience in very specific areas of law.

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Our team continuously seeks opportunities to enhance their professional development and put key learnings to action. The pursuit of further insight guides us to volunteer service opportunities, speaking engagements, and teaching roles. Our lawyers are sought after thought leaders across their industries, and recipients of leadership awards throughout the region.