Professor Rule is the Joseph Feller Memorial Chair in Law and Sustainability and serves as Faculty Director of the Law and Sustainability Program at ASU Law, where teaches property, secured transactions, energy law and policy, and the Sustainability Law Research Seminar. 

Prior to entering academia, Professor Rule was an attorney at K&L Gates LLP in Seattle, where his practice focused primarily on commercial real estate transactions and wind energy development. His research focuses mainly on emerging property law issues involving wind energy, solar energy, domestic drones and other technologies. Professor Rule is the author of "Solar, Wind and Land: Conflicts in Renewable Energy Development" (Routledge-Earthscan, 2014) and "Renewable Energy:  Law, Policy and Practice" (West Academic Publishing, 2018). In recent years, he has worked on renewable energy policy research projects funded under the U.S. Department of Energy and U.S. Department of Defense.  He has also been invited to teach renewable energy law as a visiting professor at the University of New South Wales in Sydney, Australia.

Professor Rule's academic research has been published in such journals as the UCLA Law Review, Washington University Law Review and Boston University Law Review.  His op-eds on legal and policy issues have appeared in the Wall Street Journal, Los Angeles Times and other newspapers across the country.  

He graduated with honors from the University of Chicago Law School in 2005, where he served on the Chicago Journal of International Law and was a John M. Olin Student Fellow in Law and Economics.