Timothy J. Riffle is a partner in the Indianapolis office of Barnes & Thornburg LLP, serving as the chair of the Tax Section of the Corporate Department.

Mr. Riffle practices primarily in the area of federal taxation. He has had extensive experience in structuring business combinations, new business formations, passthrough entities (partnerships, S corporations, and LLCs) and tax exempt organizations. He represents individuals and families in the areas of charitable giving, foundations, gift and estate taxation and universities, hospitals, museums and other non-profit organizations in tax exemption and unrelated business income tax matters.

Mr. Riffle also represents fiduciaries and beneficiaries in probate, guardianship and trust administration matters.

He is a member of the Taxation Section of both the Indiana State and Indianapolis Bar Associations and served as president of the Indianapolis Bar Association's Taxation Section in 1997. Mr. Riffle is also a member of the American Bar Association and its Real Property, Probate and Trust Law and Taxation Sections. He is co-author of the Indiana Limited Liability Company Forms and Practice Manual (Data Trace Publishing, 1996), is listed in Best Lawyers in America and was named "Lawyer of the Year" by Best Lawyers in the 2015 and 2018 editions.