Loyola University Chicago

Quinlan School of Business

Advisory Board

John Trentacosta

Title/s: Partner and Chair of Complex Supply Chair Litigation Group, Foley & Lardner LLP



John R. Trentacosta is a partner and transactional lawyer with Foley & Lardner LLP. Mr. Trentacosta is actively involved in drafting contracts commonly used in the automotive industry. He frequently represents clients in supply chain disputes, particularly automotive and supplier-manufacturer disputes. He is the chair of the firm’s Complex Supply Chain Litigation Group, former chair of the Detroit Litigation Department and founder and member of the firm’s Automotive Industry Team. He also is a member of the Commercial Transactions & Business Counseling, and International Practices.


A 1980 graduate of Georgetown University Law Center, Mr. Trentacosta received his undergraduate degree in finance from Michigan State University with high honors in 1977.

Professional Memberships

Mr. Trentacosta is a member of the State Bar of Michigan and has served as chairperson (1995–96) and council member (1990–95) of the Business Law Section. He has served as chairperson of the UCC Committee (1987-98) and council member of the Computer Law Section since 1997. He is also a member of the American Bar Association, Business Law and Litigation Sections.


Mr. Trentacosta has over 30 years of commercial, contract and computer litigation experience. Having published two books in this area, he is recognized as one of Michigan’s leading experts in Article Two of the Uniform Commercial Code involving commercial transactions. In 2010, he was named a BTI Client Service All-Star, an elite group of attorneys nominated solely and exclusively by clients in BTI’s independent study as delivering the absolute best in client service. In addition, Mr. Trentacosta has been Peer Review Rated as AV® Preeminent™, the highest performance rating in Martindale-Hubbell's peer review rating system and was selected for inclusion in the 2006 - 2012 Michigan Super Lawyers® lists. Mr. Trentacosta is listed in the 2006 edition of Chambers USA: America’s Leading Lawyers for Business and has been selected by his peers for inclusion in The Best Lawyers in America® since 2010in the field of commercial litigation. He was named one of the 25 Leaders in the Law by Michigan Lawyers Weekly and also was named to DBusiness magazine's 2011 list of Top Lawyers in the areas of commercial law and commercial litigation.

Thought Leadership

Mr. Trentacosta serves as a thought leader in the firm’s Legal Innovation Hub® for NextGen Manufacturers.