Aaron Nielson – BYU J. Reuben Clark Law School

Aaron Nielson

Associate Professor of Law

Professor Nielson lectures and writes in the areas of administrative law, civil procedure, federal courts, and antitrust. His publications have appeared in journals such as the University of Chicago Law Review, Northwestern University Law Review, Georgetown Law Journal, Emory Law Journal, Southern California Law Review, Georgia Law Review, and Ohio State Law Journal. He was recently appointed Chair of the Administrative and Management Committee of the Administrative Conference of the United States, a federal agency that studies the administrative process and makes recommendations on ways to improve it. He also co-chairs the Rulemaking Committee of the American Bar Association’s Section of Administrative Law & Regulatory Practice. Previously he chaired the Section's Antitrust & Trade Regulation Committee. Professor Nielson is a permanent commentator at the Yale Journal on Regulation's Notice & Comment blog where each week he reviews all published decisions of the U.S. Court of Appeals for the District of Columbia Circuit. He has been quoted regarding the D.C. Circuit in the Wall Street Journal, the Washington Post, Bloomberg BNA, the National Law Journal, and Law360.

Before joining the faculty, Professor Nielson was a partner in the Washington, D.C. office of Kirkland & Ellis LLP. He also has served as a law clerk to Justice Samuel A. Alito, Jr. of the U.S. Supreme Court, Judge Janice Rogers Brown of the U.S. Court of Appeals for the D.C. Circuit, and Judge Jerry E. Smith of the U.S. Court of Appeals for the Fifth Circuit.

Professor Nielson received his J.D. from Harvard Law School. Following graduation, he was awarded a Harvard Law School Post-Graduate Research Fellowship. Professor Nielson also received an LL.M from the University of Cambridge, where he focused his studies on the institutions that regulate global competition and commerce. He received his undergraduate degree from the University of Pennsylvania, majoring in economics and political science.

Courses Taught

  • Federal Courts 1
  • Issues in Nat'l Security
  • Current Issues in Constitutional Litigation
  • Civil Procedure
  • Administrative Law
  • Washington Law Seminar


  • J.D., Harvard Law School, 2007
  • L.L.M., University of Cambridge, 2006
  • B.A., University of Pennsylvania, 2003