R. Mark McCareins is a Clinical Professor of Business Law in the Strategy Department where he teaches courses on Antitrust and Competition, Business Law and Non-Profit Governance and Organization. Mark is also Co-Director of the JD/MBA program at Kellogg. Mark received a Student Impact Award for his teaching of Business Law in the fall quarter of 2016 and served as the Co-Chair of the Kellogg Vertical Merger Conference in January, 2019.
While Mark has been instructing at Kellogg for about thirty years, he also practiced law as a senior partner in the international law firm of Winston and Strawn LLP for thirty-three years, retiring effective February 1, 2014. At Winston, Mark was co-chair of the firm's global competition practice and served in a number of management positions within the firm and the litigation department. Mark's trial practice concentrated on antitrust, intellectual property and unfair competition issues. He tried cases and supervised commercial litigation for clients in nearly forty federal district and appellate courts. These clients were diverse and ranged from pharmaceutical (Abbott Labs) to consumer products (Tropicana Beverages). Through 2014, Mark was ranked as one of the leading antitrust and commercial litigation lawyers in Illinois, the United States and globally in such publications as SuperLawyers, Legal 500, Chambers Guide to Leading Lawyers and Best Lawyers in America. Mark is a member of both the Illinois and California bars. Mark currently serves as the General Counsel of North America's premier metals trade association, the Metals Service Center Institute (www.msci.org). A recognized national expert in antitrust and competition matters, Mark has been quoted in a variety of publications including Fortune, Law360, Bloomberg, The Business Insider, The Hill, Yahoo Finance, MarketWatch, The Washington Times, and The New York Times.
Mark has authored or edited approximately forty articles or books on antitrust, competition and intellectual property matters. He served in many leadership positions in the antitrust section of the American Bar Association, most recently ( January 2021) being re-appointed to the ABA Antitrust Section Leadership as a Liaison from the ABA Intellectual Property Section. Mark also was appointed a co-chair of the ABA Business Law Corporate Counsel committee for 2021. He also serves on the ABA Antitrust Section Pricing Conduct Committee Advisory Board ( as of 2021). He formerly served as Chair of the Antitrust Section Council of the Illinois State Bar Association. In addition, Mark is also a former Chair of the Antitrust Committee of the Chicago Bar Association, where he moderated panels on such topics as the corporate criminal leniency program and the use of experts in antitrust cases. He received a Service Award from the Chicago Bar Association in June, 2017 for his role as chair of the Antitrust Law committee. He is also a fellow of the American Bar Foundation. Mark also serves on the Legal Advisory Council of the National Association of Manufacturers (NAM).
Mark is also very active in community affairs having served as President and Chairman of the Board of Lawrence Hall Youth Services, a Chicago based child welfare agency, through June, 2017 at which time Mark was elected as a Life Trustee. He also sits on the Board of Catholic Charities. Mark is also involved in a number of alumni groups at Washington University including sitting on the Chicago Regional Cabinet and the Law School's national alumni council. Mark has received distinguished alumnus awards from both his undergraduate alma mater Northwestern University as well as Washington University where he served as Editor in Chief of the law school's Law Review. He also received the President's Volunteer Service Award from the President's Council on Service and Civic Participation in 2008.
Antitrust, unfair competition, intellectual property and commercial litigation
Business and Anti-trust Law