Gregor A. MacGregor is a Teaching Assistant Professor and the Environmental and Natural Resources Policy Specialization Lead of the Masters of the Environment professional graduate program at the University of Colorado. He has also held a Faculty Fellowship at the University of Colorado Law School where he led field seminars across the West and directed the Acequia Assistance Project, a pro bono effort to assist minority farmers with their land and water rights. Prior to joining academia, Mr. MacGregor worked as a water attorney in private practice and for the United States Army, where he also served as a Cavalry Officer prior to retiring.

He is a member of the Colorado, United States Courts of Appeals for the Ninth and Tenth Circuits Bars and received his JD from the University of Colorado Law School and a BA in International Affairs from the University of Colorado. He was also born at the University of Colorado and seeks a scenic gravesite on campus to complete his lifecycle, all recommendations considered.