Professor William Johnson joined the SLU LAW faculty in 2012 after holding an appointment as an Assistant Professor of Law at the University of North Dakota. He has also been a Visiting Professor at Vytauto Didžiojo Universitetas (Vytautas Magnus University) in Kaunas, Lithuania. Prior to becoming a law professor, he practiced corporate and commercial law, with a particular focus on international transactions,at Foley & Lardner LLP, in Milwaukee,and he worked as a judicial law clerk to Minnesota Supreme Court Justice Russell A. Anderson.

Professor Johnson remains engaged with the practice community through his active involvement in the American Bar Association Section of International Law. He has held several leadership positions within ABA International and currently serves as co-chair of the International Commercial Transactions, Franchising and Distribution Committee, as well as vice-chair of the International Legal Education and Specialist Certification Committee andas a member of the Steering Group of the Europe Committee.

Professor Johnson earned his J.D. from the University of Michigan Law School, where he was a research assistant and on the executive board of the Michigan International Law Society.In his scholarship, he researches and writes about challenges and issues relating to laws governing international commercial transactions and has written extensively about the United Nations Convention on Contracts for the International Sale of Goods (CISG). His journal articles have been published in the Buffalo Law Review, the Ankara Law Review, the Northwestern Journal of International Law and Business, and the Michigan Journal of International Law.