About Us

By AG Labor and Employment
Ancel Glink labor attorneys have experience, both as corporate and special counsel, in all types of labor and personnel matters, from contract negotiations, including interest arbitration, to discrimination claims and other employment litigation. We bring creative and practical solutions to the day to day human resource issues that confront our clients’ organizations, including developing policies and procedures to ensure compliance with the law and enforcement of work rules and  training staff and supervisors to ensure compliance with state and federal laws.

Margaret Kostopulos

Margaret has bargained both initial and successor contracts for employers. In addition to her litigation and collective bargaining experience, Margaret serves as a labor and employment advisor to public and private employers, advising general counsel, managers, department heads, supervisors and directors in all areas of employment and personnel issues. These issues include contract enforcement, interest arbitration, employee discipline and discharge including prosecuting cases before Boards of Fire and Police Commissioners, discrimination, strike management, and compliance with federal and state labor and employment laws.

Margaret has represented employers through union elections and in the defense of unfair labor practice charges before the NLRB and ILRB. She has also represented employers in employment disputes before the Illinois Department of Labor, the Equal Employment Opportunity Commission, the Illinois Human Rights Commission, and in state and federal court. She has represented employers in grievance arbitrations as well as a variety of employment litigation issues. In addition, she has represented public clients through mediation and arbitration.

Phone: 312.604.9106



Mysi Hall

Melissa “Mysi” Hall is a seasoned human resources professional with experience in public administration, and employment law. As an associate with Ancel Glink, Mysi assists clients with drafting and reviewing personnel policies, ensuring compliance with evolving labor and employment laws and collective bargaining agreements, and providing guidance on the myriad of employment issues that arise for local government employers. Her critical insight on workforce policies and legal trends help local governments navigate regulatory requirements and labor relations.



Phone: 312.604.9176




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