Renee J. Mortimer

With more than a decade of experience, Partner Seth L. Cardeli is a skilled trial attorney representing families across the country who have suffered as a result of medical negligence and malpractice, including children who have been injured during labor and delivery. Seth is well-versed in the many complex legal and medical issues surrounding birth injury claims. He regularly conducts educational seminars for other attorneys on important aspects of litigation such as taking depositions and d...

Libby concentrates her practice in estate planning in the area of probate with a focus on the estate tax aspects, contested estates and trust reformation. Libby has practiced before the Tax Court and has represented several tax-exempt organizations, including both private foundations and public charities. She has administered numerous large estates and has successfully negotiated favorable settlements with the Internal Revenue Service both at the audit and appellate levels on issues such as v...

Ashley Margason is a lawyer recognized by Best Lawyers in the practice area of Family Law. Ashley practices law in Chicago, Illinois Best Lawyers has recognized Ashley Margason since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Ashley Margason is held by other lawyers.

Beata Leja is a lawyer recognized by Best Lawyers in the practice area of Immigration Law. Beata practices law in Chicago, Illinois Best Lawyers has recognized Beata Leja since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Beata Leja is held by other lawyers.

John represents large publicly traded and privately held businesses in controversies, transactional matters and tax planning involving state and local corporate income/franchise taxes, gross receipts taxes, sales and use taxes, and other business privilege taxes. He also defends clients in state tax audits and litigation before courts, administrative agencies and departments of revenue throughout the country. In addition to his state and local tax practice, John is also one of the nation&rsqu...

Thomas A. Demetrio is a trial lawyer with an emphasis on medical negligence, product liability, airplane crash and commercial litigation on behalf of plaintiffs. He is Past President of the Chicago Bar Association and Illinois Trial Lawyers Association. He is a fellow of: The American College of Trial Lawyers The International Academy of Trial Lawyers The Inner Circle of Advocates Tom has been listed in Best Lawyers in America since its inception in 1987 and was named by Best Lawyers as the C...

Dennis is a senior partner and a founder of Barack Ferrazzano. He concentrates his practice on commercial real estate and business planning matters. Dennis is the primary North American real estate counsel for Bernard Arnault, Agache, LVMH, and the LVMH brands in the Americas. Dennis is consistently ranked among the top lawyers in Illinois for his real estate practice. He has been Band ranked in Chambers USA for more than 20 consecutive years, named by Leading Lawyers as the #1 Real Estate La...

Sherry L. Rollo counsels clients in all areas of intellectual property, including the protection, licensing, and enforcement of intellectual property rights, data privacy, and data security both domestically and internationally. Sherry also guides clients with corporate strategies relating to the prosecution, merger, licensing, sale, or acquisition of intellectual property assets, including conducting due diligence, counseling on business strategies, and managing patent, trademark, copyright,...

Joseph E. Tilson is Co-Chair of Cozen O'Connor's Labor & Employment Department and a member of the Management Committee and Board of Directors. Joe represents employers in large-scale employment litigation and labor arbitrations. In the past 35 years, he has tried more than 150 jury and non-jury cases before the full range of courts, administrative agencies and labor arbitrators. His clients include a number of the country’s largest public and private employers, and Illinois’ ...

Heidi Steele is a lawyer recognized by Best Lawyers in the practice area of Corporate Law. Heidi practices law in Chicago, Illinois Best Lawyers has recognized Heidi Steele since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Heidi Steele is held by other lawyers.