He received his B.A., magna cum laude and Phi Beta Kappa, from Rice University, and studied law and economic development as a Fulbright Scholar in Ghana and as a Gates Scholar at Cambridge University, where he received an M.Phil. in Land Economy. He received his J.D. from Yale Law School, where he served as comments editor of the Yale Law Journal. Blocher clerked for Guido Calabresi of the U.S. Court of Appeals for the Second Circuit and Rosemary Barkett of the U.S. Court of Appeals for the Eleventh Circuit. He also practiced in the appellate group of O’Melveny & Myers, where he assisted the merits briefing for the District of Columbia in District of Columbia v. Heller.