Vincent S. Oleszkiewicz

When corporate management and benefit plan fiduciaries need a highly experienced counselor to represent their interests in employment and compensation, tax, litigation, corporate planning, fiduciary responsibilities, or plan administration matters, they turn to attorney Lee Polk. Lee is adept at representing clients in business transactions and dealings with government agencies, such as the U.S. Department of Labor, the Internal Revenue Service, and the Pension Benefit Guaranty Corporation. C...

Brian C. Bianco is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Brian C., who practices law in Chicago, Illinois, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian C. is held by other top lawyers in the same geographic and legal practice area.

For over 50 years, Bruce Sperling has been winning record-breaking and game-changing jury verdicts, court judgments, and arbitration awards for plaintiffs and defendants in high-stakes litigation. Experienced in virtually every area of the law, Mr. Sperling has favorably resolved wide-ranging commercial disputes for Fortune 500 companies, privately held enterprises, and individuals. His cases have included securities, antitrust, patents, trade secrets, corporate governance, real estate develo...

Timothy R. Farrell is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Timothy R., who practices law in Chicago, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Timothy R. is held by other top lawyers in the same geographic and legal practice area.

Mark Hagedorn advises on a wide variety of intellectual property matters, including patent, trademark and copyright solicitation and IP litigation, licensing and counseling. Appreciated for his honesty and practical legal advice, Mark consistently delivers utilitarian solutions that help his clients resolve disputes and litigation efficiently and economically. Mark offers broad experience in virtually all phases of IP counseling and litigation. He understands and has represented clients invol...

Chicago trial attorney Brian LaCien is a founding partner of Smith LaCien LLP. He has a broad range of experience in the areas of medical malpractice, professional negligence, wrongful death, class actions, trucking litigation, product liability, aviation negligence, civil rights violations and premises liability. LaCien and Todd A. Smith, also a founding partner, have a long track record of achieving exceptional results for clients, with more than $2 billion in verdicts and settlements and o...

Ted Becker is Co-Chair of McDermott’s ERISA Litigation Team and a Fellow of the American College of Employee Benefits Counsel. He focuses his practice on litigation under ERISA and related federal and state actions, and defense of government investigations and audits relating to employee benefit, health and welfare, and retirement plans brought by the US Department of Labor, the Internal Revenue Service, and the US Department of Justice. He is a leading voice and nationally recognized p...

Jennifer J. Kalas is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Defendants. Jennifer J., who practices law in Schererville, Indiana, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer J. is held by other top lawyers in the same geographic and legal practice area.

Julie Teuscher is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice. Julie, 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 Julie is held by other top lawyers in the same geographic and legal practice area.

Kenneth T. Lumb joined Corboy & Demetrio as a Chicago personal injury and medical malpractice lawyer in 1995 after a tour of duty in the United States Army. Ken was named Partner in 2015 and Managing Partner in 2019. As a captain in the Army's Judge Advocate General's Corps (JAG Corps), Mr. Lumb served four years as the Medical Claims Judge Advocate at Walter Reed Army Medical Center in Washington, D.C. His duties at the Defense Department's largest medical facility included medical malpr...