Alumni Law Society Legal Spotlight

Our spotlight series features UChicago alumni who work as attorneys or in legal fields. To nominate UChicago attorneys or practitioners to be showcased, email with the name, degree, and graduation year of the nominee.


Corporate, Business Transactions, Import/Export, International Trade

University of Chicago, B.A. Anthropology (1998); American University, Washington College of Law, J.D.(2002)


Illinois, New York, District of Columbia

UChicago Alumni Law Society, Founder and Chicago Chair

Chicago Bar Association, Corporate Law, International Trade Law and Alliance for Women Committees

Hellenic Bar Association

Trade Law 101: What Every Non-Trade Lawyer Should Know about Trade

When To Engage Outside General Counsel For Your Business  

Mary Kostopoulus, Senior Counsel
Momkus McCluskey LLC





Mary Kostopoulos is an attorney in Momkus McCluskey LLC’s Business Law Group in Chicago, IL. Mary has over a decade of experience working closely with clients to structure, negotiate and implement a wide range of business transactions.

Mary specializes in mergers and acquisitions, joint ventures, financing transactions, employment and severance negotiations, and outside general counsel services, including conducting internal legal audits, advising on commercial transactions, and addressing compliance requirements.

Mary also advises clients on international trade matters, including import requirements and compliance and potential risk liabilities with export controls.

Mary advocates for clients before various federal agencies, including the U.S. Customs and Border Protection.

Mary also currently serves as the Co-Vice President for UChicago’s Alumni Law Society National Board of Directors.


Contact Information

Mary Kostopoulous, Senior Attorney
Momkus McCloskey LLC
1001 Warrenville Road, Suite 500
Lisle IL 60532-4306

Tel: (630) 434-0400 ext.110
Direct Line:(630) 810-8882
Fax: (630) 434-0444