Partner, Chair of the Family Office Services Group
Dennis R. Delaney
Dennis Delaney is a partner and the chair of the Family Office Services Group. He has more than 25 years of experience serving high net worth clients as a family wealth advisor, personal trustee, executor, and trusted advisor.

Practice Focus

Dennis Delaney is a partner and the chair of the Family Office Services Group. He has more than 25 years of experience serving high net worth clients as a family wealth advisor, personal trustee, executor, and trusted advisor. His expertise also includes complex estate planning, long-term charitable giving programs, tax matters and promoting family harmony through thoughtful planning. Dennis frequently works with clients for many years and through multiple generations, serving as their trustee, wealth manager and family advisor.

His areas of expertise include:

  • Serving as trustee on trusts that benefit individuals, families and charities
  • Sophisticated estate planning that makes use of any number of strategies, including perpetual dynasty trusts, quiet trusts, complex gifting programs, "defective" grantor trusts, minors trusts, grantor retained annuity trusts (GRAT), qualified personal residence trusts (QPRT), and charitable giving programs involving private foundations, donor advised funds, and charitable lead/remainder trusts
  • Helps establish and run both new family offices and family offices that have been operating for multiple generations
  • Income and estate tax minimization strategies, including expertise in migrating trusts to tax-free jurisdictions
  • Comprehensive asset protection programs using irrevocable trusts, LLCs, and other vehicles
  • Represents principals of venture capital and private equity firms in creating family gifting programs for carried interests
  • Open lands preservation
  • Strategies for concentrated wealth holdings and unique assets
  • Business succession planning for family-owned businesses
  • Amending irrevocable trusts, including non-judicial settlement agreements, modifications, and decanting assets from existing irrevocable trusts to newly created trusts
  • Cross-border planning for non-citizens or those with assets outside the U.S.
  • IRS audits of estate and income tax returns

Dennis also serves as Chief Operating Officer, Managing Director and Chair of the Trust Committee at Hemenway Trust Company, a private fiduciary firm based in New Hampshire.

Representative Experience

  • Serves as trustee for numerous family and charitable trusts collectively worth several hundred million dollars.
  • Oversees business succession and estate planning for a family owning a $200 million private company.
  • Creating and administering dozens of grantor retained annuity trusts (GRAT) resulting in saving clients many millions of dollars in transfer taxes.
  • Led several land protection projects throughout the country using a variety of sophisticated techniques to protect environmentally sensitive land from development, saved millions of dollars in transfer taxes, and maximized after-tax values for owners and their families.
  • Created and administer private foundations, charitable lead trusts, and charitable remainder trusts involving tens of millions of dollars in funding.
  • American College of Trust and Estate Counsel (ACTEC), Fellow
  • New Hampshire Trust Council (NHTC)
  • Boston Bar Association, Member; Past Co-Chair, Estate Planning Committee
  • Massachusetts Bar Association
  • New Hampshire Bar Association
  • American Bar Association
  • White paper: “Rock Solid in New Hampshire” detailing the many advantages that New Hampshire offers as a premier trust venue
  • Author, Drafting Irrevocable Trusts in Massachusetts (Drafting Dispositive Provisions Chapter), MCLE
  • Author, Understanding and Using Trusts (Trustee Appointment and Succession Chapter), MCLE
  • Co-authored the Trusts & Estates magazine article, “Depression-Era Trusts Come Home to Roost,” (December 2016)
  • Quoted in US News and World Report and Forbes on topics related to tax and financial planning for millennials
  • Frequent speaker at industry events such as the New Hampshire Trust Conference and events hosted by the Family Business Association, the Family Firm Institute, Boston Probate Forum, ALI-ABA, Massachusetts Continuing Legal Education, and the Boston Bar Association.
  • Authored Hemenway & Barnes client advisories including: "Proposed Changes to Tax Laws Spur a Call to Action" (2021), "Tax Planning After the 2020 Election… And 2021 Runoffs” (2021), “COVID-19 and Presidential Election Have Significant Effect on Estate Planning” (2020), "Pitfalls and Opportunities Under the New Federal Tax Law: Parts 1, 2 & 3" (2018, 2019)
  • Boys & Girls Club of Boston, Board of Trustees, Trustees Leadership Council and Planned Giving Advisory Committee
  • Sherborn Rural Land Foundation, Trustee
  • Alan Thayer Mudge Memorial Fund, Trustee
  • Boston Athletic Association, Member
  • Recognized by Massachusetts Lawyers Weekly as a "Go To Lawyer" for Trusts & Estates
  • Named to The Best Lawyers in America List
  • Named to the Massachusetts Super Lawyers list
  • Editor-in-Chief, Boston University Law Review
  • Recipient of Dr. John Ordronaux Prize from Boston University School of Law
  • JD, Boston University School of Law (magna cum laude, G. Joseph Tauro Distinguished Scholar)
  • BA, University of Vermont
  • Massachusetts
  • New Hampshire

Related News & Resources

News

Hemenway & Barnes Achieves National and Regional Recognition in 2026 Best Law Firms® Rankings

News

Hemenway & Barnes Attorneys Recognized in 2026 Edition of Best Lawyers in America®

News

Hemenway & Barnes Named Among the "Best Law Firms" of 2025 by Best Lawyers

"My job often addresses the intersection of multiple challenges for my clients where solutions require deep expertise in any number of areas such as wealth management, legal issues, tax planning, and navigating family dynamics. In today’s hyper-specialized marketplace, all too often clients are left to knit together the separate advice they receive from multiple experts who don’t see beyond their own areas of expertise. At Hemenway & Barnes, we pride ourselves not only for our deep expertise in these critical areas, but also for our vast experience in connecting it all together. The value we bring is enabling clients to make the most informed and strategic decisions possible, which in turn helps create and preserve wealth for themselves and their families."
— Dennis Delaney’s Comments on Challenges Clients Face

Related Services

Wealth Management
We help individuals and families enhance and protect their wealth by building enduring relationships rooted in high-quality, practical, and distinctly personal service.
Estate & Tax Planning
Our comprehensive approach is flexible, so it's tailored to each client’s unique financial situation, family, goals, values, and more.
Trust & Estate Administration
Our dedicated team of trust, estate and tax professionals efficiently handles all aspects of trust administration and probate work.
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