Paul MacMahon is a Climenko Fellow and Lecturer on Law at Harvard Law School, from 2012 to 2014. Paul's scholarship focuses on private law (especially contracts) and procedure.

Originally from Northern Ireland, he received his initial legal education from the University of Oxford, where he received a B.A. (with First Class Honors), and a Bachelor of Civil Law (with distinction). He then moved to the United States, where he received a J.D. from Harvard Law School, magna cum laude. He recently submitted his dissertation for the degree of Doctor of Philosophy at Oxford.

Following law school, he clerked for Judge Guido Calabresi on the U.S. Court of Appeals for the Second Circuit, and Judge John Gleeson on the U.S. District Court for the Eastern District of New York. Between clerkships, he worked in the appellate litigation group at Skadden Arps Slate Meagher & Flom LLP in New York. Before taking up his position as a Climenko Fellow, he taught contracts and torts at Cambridge University, where he was a Fellow of Wolfson College.