Professor McGreal joined the SIU School of Law faculty in fall 2006. He teaches the
Constitutional Law survey course, electives on the First Amendment and Fourteenth
Amendments, and a seminar on Religion and the Law. His teaching interests also include
Law and Economics, Antitrust, and Professional Responsibility. 

Professor McGreal’s academic speaking, research, and writing have focused on
constitutional law, with emphasis on federalism and economic analysis of constitutional
rules. His current research concentrates on the constitutional protection of religious
freedom, including economic analysis of the Supreme Court’s Free Exercise and
Establishment Clause doctrines. He has published over three dozen articles and essays,
including works in the William & Mary Law Review, Notre Dame Law Review, SMU Law
Review, Arizona State Law Journal, Fordham Law Review, and PENNUmbra (the online
companion to the University of Pennsylvania Law Review). He is also coauthor of a
Constitutional Law study guide published by LexisNexis. 

Professor McGreal is also a frequent speaker and commentator on corporate compliance and
ethics, and legal ethics. 

Prior to coming to the SIU School of Law, Professor McGreal was the Harry and Helen
Hutchens Research Professor and Professor of Law at the South Texas College of Law, where
he taught for ten years. From 2004 to 2006, he also served as director of the South Texas
College of Law Corporate Compliance Center, where his responsibilities included
organizing conferences, coordinating projects, and conducting the Center’s first
compliance survey. He was also a visitor at the Dedman School of Law at Southern
Methodist University and the George Mason University School of Law. 

For the last ten years, Professor McGreal has also taught in the Executive MBA Program of
the Mays Business School at Texas A&M University. His course modules include legal
compliance and ethics programs, business ethics, and corporate social responsibility. 

Professor McGreal received his B.A. in Economics (cum laude) from Williams College. He
then earned a J.D. with honors from the Dedman School of Law at Southern Methodist
University, where he was Editor-in-Chief of the Southwestern Law Journal/SMU Law Review.
After law school, he served as law clerk for Justice Warren Matthews of the Alaska
Supreme Court. Professor McGreal then completed his LL.M. at Yale Law School, where his
studies and research focused on constitutional law. 

Prior to joining the South Texas faculty, Professor McGreal practiced law with the Dallas
office of Baker Botts, LLP, where he worked on general commercial litigation matters
involving antitrust, fraud, corporate opportunities, and professional ethics. 

Professor McGreal has been active in service to both the academic and legal communities.
His professional service has included work on the Texas Disciplinary Rules of
Professional Conduct Committee of the State Bar of Texas and the Corporate Compliance
Committee of the ABA’s Business Law Section.

Articles

Link

Constitutional Easements: A New Approach to Permanent Monuments in Traditional Public Forums, Northwestern University Law Review Colloquy (2008)

This November, the Supreme Court will hear argument in City of Pleasant Grove v. Summum,...

 

Link

Social Capital in Constitutional Law: The Case of Private Norm Enforcement Through Prayer at Public Occasions, Arizona State Law Journal (2008)

Distinguishing private action from government action is the first question of constitutional law. The distinction...

 

PDF

Counteracting Ambition: Applying Corporate Compliance and Ethics to the Separation of Powers Threat of Domestic Surveillance, SMU Law Review (2007)
When it comes to domestic surveillance, even in the name of foreign intelligence, one constitutional...
 

PDF

In Defense of Complete Preemption, University of Pennsylvania Law Review PENNumbra (2007)
Recent writings by Professors Gil Seinfeld and Trevor Morrison criticize the Supreme Court's complete preemption...
 

Unpublished Papers

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Social Capital in Constitutional Law: The Case of Private Norm Enforcement Through Prayer at Public Occasions, ExpressO (2007)

Distinguishing private action from government action is the first question of constitutional law. The distinction...