Todd Aagaard joined the Villanova Law faculty in 2008. His teaching and scholarship focuses on environmental law, energy law, and administrative law. In addition to his research, he is a co-author of Practicing Environmental Law, a practice-based environmental law casebook published by Foundation Press. He served as vice dean of the Law School from 2015 to 2019.

Aagaard received his BA with honors from Pomona College, his MS from the University of Michigan School of Natural Resources and the Environment, and his JD magna cum laude from the University of Michigan Law School. While at Michigan, he was the editor-in-chief of the Michigan Law Review and an executive editor of the Michigan Journal of Race & Law. Following completion of his JD and MS degrees, he clerked for Second Circuit Judge Guido Calabresi, before joining the Environment and Natural Resources Division of the U.S. Department of Justice as an attorney in the Appellate Section. At the Justice Department, he briefed and argued civil and criminal cases in federal courts of appeals in the areas of environmental law, natural resources law, Indian law and administrative law.