Brock Edward Whalen
Senior Counsel

Overview
Brock E. Whalen is a tax attorney in Holland & Knight's Austin office. Mr. Whalen focuses his practice on tax litigation and providing advice in connection with applying tax laws to individuals, estates, corporations and partnerships. Mr. Whalen has experience in all aspects of federal tax practice, including IRS audits, appeals, collection and litigation. In addition, Mr. Whalen has significant experience in state and local tax controversy matters.
Prior to joining Holland & Knight, Mr. Whalen served as an attorney and front line manager for more than 12 years at the IRS Office of Chief Counsel, where he tried cases in the U.S. Tax Court. During this time, Mr. Whalen litigated income tax, estate and gift tax, collection, Tax Equity and Fiscal Responsibility Act of 1982 (TEFRA), and micro-captive insurance matters. He also represented the United States in district court as a Special Assistant U.S. Attorney in IRS summons enforcement suits.
In addition to his litigation work, Mr. Whalen served as a member of several select chief counsel groups that supported IRS initiatives, including those involving syndicated conservation easements, inbound withholding and passthrough entities. He also served as an instructor for courses designed to train IRS and IRS Appeals personnel on the following topics: tax fraud, burden of proof in tax court, evidentiary considerations in tax court, tax court rule changes, managerial approval of penalties under I.R.C. § 6751(b), and IRS summons enforcement and interview techniques.
Mr. Whalen's state and local tax experience includes representation of business entities in sales and use tax and corporate income tax cases before state trial and appellate courts, involving novel and broadly impactful substantive and procedural issues.
Representative Experience
Credentials
- University of Houston Law Center, LL.M.
- University of Houston Law Center, J.D.
- Tufts University, B.A.
- Texas
- U.S. Tax Court
- U.S. District Court for the Eastern District of Texas
- U.S. District Court for the Western District of Texas
- U.S. Court of Federal Claims
- Texas Bar Foundation, Fellow, 2022-Present
- Institute for Professionals in Taxation, 2021-Present
- Austin Bar Association, 2021-Present
- Government Employees Federal Credit Union, Supervisory Committee, 2016-2019