Professor Miller has been Kirkland & Ellis Professor of Law, University of Chicago Law School; Associate Dean and Professor of Law, University of Chicago Law School; Robert B. and Candace J. Haas Visiting Professor of Law, Harvard Law School; Max Schmidheiny Guest Professor, University of St. Gallen; Fresco Endowed Professor of Law, University of Genoa; Visiting Scholar, University of Minnesota Law School; Visiting Lecturer, University of Bolzano; Commerzbank Visiting Professor, Institute for Law & Finance, University of Frankfurt; Visiting Professor, Columbia Law School; Visiting Professor, University of Sydney; Zaeslin Visiting Professor, University of Basel; Visiting Scholar, Center for Economic Research, Tilburg, Holland; John M. Olin Visiting Scholar, Cornell University Law School; Visiting Scholar, Bank of Japan; Visiting Scholar, Universidad Tocurata de Tella, Buenos Aires; Consultant, Federal Reserve Bank of Chicago; Simpson Grierson Butler White Visiting Professor, University of Aukland; and Associate, Ennis, Friedman, Bersoff & Ewing.

His books include The Economics of Ancient Law; Banking Law and Regulation (with Richard Scott Carnell and Jonathan R. Macey); Banking Law and Regulation: Statutory and Case Supplement (with Richard Scott Carnell and Jonathan Macey); Bank Mergers and Acquisitions (edited with Yakov Amihud); and Costly Policies: State Regulation and Antitrust Exemption in Insurance Markets (with Jonathan R. Macey).