R. Mark Halligan

Peter Sullivan practices in trial and litigation of complex professional liability and commercial litigation cases, including actions against accountants and attorneys, director and officer liability and coverage cases, consumer class action cases and breach of contract cases. Mr. Sullivan also focuses on lender liability suits, real estate litigation, UCC litigation, state and federal securities law claims, RICO claims, business tort litigation and common law fraud actions.

Neal Robin is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Neal, 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 Neal is held by other top lawyers in the same geographic and legal practice area.

Laurie S. Randolph is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Construction. Laurie S., who practices law in Chicago, Illinois, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Laurie S. is held by other top lawyers in the same geographic and legal practice area.

Jacqueline M. Vidmar has more than thirty five years of environmental law experience, brings wealth of knowledge to transactional and regulatory matters and disputes. She represents companies in a variety of industries, including manufacturing, public utilities, health care and pharmaceuticals, transportation (rail and pipeline), and real estate. Ms. Vidmar excels in real estate portfolio management, M&A due diligence, contaminated property disputes, remediation and development, defense o...

Attorney – Jason Williams biography Jason Williams is a Chicago personal injury attorney at Smith LaCien LLP, concentrating in catastrophic personal injury, medical malpractice and wrongful death. He joined the firm in December 2021 after eight years as a solo practitioner, litigating cases at the trial and appellate levels on complex computer matters, medical malpractice, healthcare, antitrust and commercial work, and trusts and estates. The firm regularly confronts powerful corporatio...

Francis Patrick Murphy - Patrick Murphy - a Chicago personal injury lawyer, has been with the law firm of Corboy & Demetrio since 1983 and became a partner in 1991. He regularly handles complex personal injury and wrongful death cases involving porch and deck collapses, aviation negligence, construction negligence, product liability, premises liability and claims resulting from railroad, automobile, and other vehicular negligence. Patrick is a highly sought after lawyer in porch and deck ...

Bill provides strategic counsel to numerous clients regarding the development, protection and monetization of sophisticated global intellectual property portfolios. His practice includes a wide array of intellectual property matters with a particular emphasis portfolio management and long-term portfolio strategy development, management of defense and enforcement actions, infringement and clearance analyses, technology agreements, licenses and transfers, and strategic guidance on significant c...

Jon Ballis is Chairman of the Executive Committee of Kirkland & Ellis, one of the world’s leading law firms with 6,500 professionals (including more than 3,000 attorneys) around the world committed to the highest quality legal advice and unparalleled client service. In his role, Jon is responsible for establishing and executing upon Kirkland’s strategic priorities, including advancing business initiatives and promoting a culture of performance, collaboration and collegiality. ...

Charles Helsten is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law. Charles, who practices law in Rockford, Illinois, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Charles is held by other top lawyers in the same geographic and legal practice area.

Thomas Y. Mandler is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Labor Law - Management. Thomas Y., 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 Thomas Y. is held by other top lawyers in the same geographic and legal practice area.