Thomas J. Bonasera

P: (614) 227-4263
F: (614) 221-8590
Thomas Bonasera is a Partner in the Corporate Department and a member of the firm’s Board of Directors and firm Executive Committee Member. Tom focuses his practice on trust and estate administration and litigation, estate planning and closely held business matters. He advises his clients on a broad range of trust and estate planning and litigation matters, obligations and liabilities of trustees and other fiduciaries and trust and estate beneficiary rights and closely held business matters including business disputes. Tom is a frequent lecturer on trusts/estates and fiduciary administration, special needs trusts and planning, closely held business matters and disputes, selling and buying a law practices, and making the most of your practice.  Additionally, Tom has been selected for the Ohio Super Lawyers® List.  Tom has been elected since the Ohio Super Lawyers began, which was 10 years ago.

Memberships & Affiliations

  • The American College of Trust and Estate Counsel, Fellow and Prior Fiduciary Litigation Committee Member
  • American Bar Association
  • Ohio State Bar Association, President, 1999-2000; Board of Governors, 1996-1998
  • OSBA District 7 Delegate, 1988-Present
  • OSBA Estate Planning, Trust and Probate Law, Section and Elder Law Committee
  • Ohio State Bar Foundation, Fellow, Current Board Member, Chair of Development Committee
  • Columbus Bar Association, President, 1993-1994; Board of Governors, 1986-1995; Professionalism Committee; Probate Court Committee, Past Chair
  • Columbus Bar Foundation, Fellow 
  • The Columbus Foundation, Professional Advisory Council
  • Franklin County Alcohol, Drug and Mental Health Board, Past Board Member and Past Chair 
  • Ohio Commission on Racial Fairness, Task Force and Ohio Commission on Racial Fairness, Implementing Task Force Committee Member
  • National Association of Securities, Panel of Arbitrators
  • American Arbitration Association, Panel Member and Arbitrator, Commercial Rules
  • Central Ohio Association for Justice, Member and former Probate Court Committee Chair (Formerly known as Franklin County Trial Lawyers Association)
  • The American Red Cross of Greater Columbus, Past Board Member and current Emeritus Board Member
  • Ronald McDonald House Charities of Columbus, Past President and Board Member
  • Legal Aid Society of Columbus (LASC), Board Member and Past President
  • Alzheimer's Association of Columbus, Former Board Member
  • Columbus Medical Research Foundation, Current Board Member
  • Ohio Supreme Court, Lawyer to Lawyer Mentoring Program Participant
  • Ohio State Legal Services Association, including Southeastern Ohio Legal Services (SOELS) and the Ohio Poverty Law Center, President and Chair
  • The Ohio State University Brain And Spine Neuroscience Campaign Committee
  • Central Ohio Lawyers for Justice (f/k/a Franklin County Trial Lawyers), Member and Past Probate Court Chair


  • Peer Review Rated AV in Martindale-Hubbell
  • Listed in The Best Lawyers in America© for Trusts and Estate Litigation 
  • Selected for the Ohio Super Lawyers® List since 2004, Top 100 Attorneys in Ohio
  • Named by Columbus Business First as one of Central Ohio’s best lawyers, as voted by his peers in the areas of trust and estate planning and administration, fiduciary litigation, closely held business succession and disputes
  • Top 50 Lawyers Recognition, Columbus Monthly
  • Recipient of the Ohio State Bar Association Bar Medal Award and the Columbus Bar Association's Bar Service Medal Award
  • Frequent CLE Lecturer on matters of Special Needs Trusts and Probate Court
  • Settlements, the Ohio Trust Code, Closely Held Business topics and Sale of a Law Practice Rules
  • Named to the “Top Lawyers 2014” list by Columbus CEO Magazine
  • Named to the Columbus Super Lawyers Top 50 list, 2014
  • American Arbitration Association training- Effective Mediation