Mark G. Sheridan

David Polster is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. David, who practices law in Chicago, Illinois, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David is held by other top lawyers in the same geographic and legal practice area.

Jeff is an experienced trial lawyer and business advisor in the area of labor and employment law. Jeff advises clients on wage and hour compliance, reductions in force, enforcement of restrictive covenants, employment contracts and separation agreements, employee selection and discipline, WARN compliance, employment policies, internal investigations and business transactions. He has spoken on several employment-related topics, including effective employment documentation, joint employer liabi...

Mr. Sevin concentrates his practice exclusively in the area of family law, representing parties in the litigation and resolution of sophisticated matrimonial and family related matters. He counsels clients on a wide range of divorce-related issues including custody disputes, analysis of complex financial matters, prenuptial and postnuptial agreements, and the disposition of marital and non-marital assets. Mr. Sevin’s peers and colleagues have recognized him as a leading advocate for his...

Francis A. Citera is Co-Chair of the firm's Products Liability & Mass Torts Litigation Group and Co-Chair of the Chicago Litigation Practice. Frank has 30 years of experience defending purported class actions, toxic tort actions, and other complex litigation in both federal and state courts. He has tried many cases, including an action by the Government to enforce a unilateral administrative order, an allocation case among potentially responsible parties, and a complex product liability, ...

Megan Church is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Megan, who practices law in Chicago, Illinois, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Megan is held by other top lawyers in the same geographic and legal practice area.

Doug is a partner in the firm’s Real Estate practice group. He manages complex real estate and financing transactions concerning properties throughout the country for a diverse group of clients, including developers, publicly traded real estate investment trusts (REITS), private real estate investment funds, joint ventures and financial institutions. Doug handles transactions involving multifamily apartment projects, office buildings, shopping centers, industrial sites, hotels, governme...

Matthew Antinossi's practice includes all ERISA-related areas, and he has extensive experience with the employee benefits aspects of mergers, acquisitions and divestitures, including ESOP transactions. In addition to his transactional practice, Matthew is frequently involved in representing debtors in the employee benefits aspects of bankruptcy, insolvency and restructuring. Such representations frequently involve resolution of complex ERISA Title IV issues. A significant portion of Matthew's...

Ana Valenzuela is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Ana, who practices law in Chicago, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ana is held by other top lawyers in the same geographic and legal practice area.

Hariklia (Carrie) Karis is a Kirkland trial lawyer who has extensive lead trial experience in jury and bench trials and arbitration involving personal injury in a broad range of high profile personal injury, product liability and other commercial cases throughout the country. Hariklia was recently recognized by various legal publications as a first class trial lawyer in mass tort and commercial litigation. She was awarded Law360 MVP for Trials in 2022. The American Lawyer named Hariklia &ldqu...

Barry A. Hartstein has earned a national reputation for a career that includes more than 30 years of counseling and representing employers in a broad range of labor and employment matters. He is a frequent writer, commentator and lecturer on workplace issues. He also has extensive experience as a litigator and has defended employers nationwide in individual and class action claims and wage and hour collective actions. He has particular expertise dealing with the EEOC on both a local and natio...