Bonnie Weis

Partner Ryan T. Johnson concentrates his practice in the areas of construction law, professional liability, and complex commercial litigation. Ryan has over 15 years of experience successfully representing clients in construction related matters in Illinois and nationally, including jury and bench trials in state and federal courts as well as arbitration proceedings. In addition to dispute resolution, Ryan also engages in contract negotiations, contracting drafting and business counseling on ...

Emer Simic is a partner in the Intellectual Property Practice Group and focuses her practice on patent litigation and counseling in the pharmaceutical and biotech space. Emer has substantial experience successfully representing pharmaceutical and biotech companies in Hatch-Waxman and patent infringement disputes before the U.S. District Court and before the Patent Trial and Appeal Board (PTAB). A strategic advisor and compelling advocate, Emer partners with her clients to achieve their goals ...

Carolyn M. Passen is a top attorney recognized by Best Lawyers in the practice area(s) of Trademark Law. Carolyn M., 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 Carolyn M. is held by other top lawyers in the same geographic and legal practice area.

Maureen O'Brien is a partner in the Chicago office of Kirkland & Ellis LLP. Maureen's practice includes a broad range of employee benefits and executive compensation matters, and she has extensive experience with the M&A aspects of employee benefits and executive compensation, including strategic and private equity transactions. Maureen advises clients on the design and implementation of qualified and nonqualified retirement plans, welfare plans, Section 409A matters and equity and in...

Edward R. Winkofsky, Chair of the Gaming Practice, focuses his practice on gaming regulatory compliance, licensure, and private equity investments in the gaming industry. He also advises clients on internal investigations and charitable gaming. Since joining the firm in 2010, Ed has served as regulatory counsel to gaming industry suppliers and operators, sports wagering and iGaming platform providers and content creators, horse tracks, video gaming route operators, lottery providers, tribal l...

Rachel Cantor’s practice focuses on the tax aspects of complex business transactions including domestic and cross-border mergers, acquisitions, and leveraged buyouts, as well as joint ventures, recapitalizations and debt and equity restructurings.Rachel has worked on numerous private equity, LBO and merger and acquisition transactions ranging from several million dollars to several billion dollars for clients including: Madison Dearborn Partners, Audax Group, Wind Point Partners, Levine...

Stephen T. Moore is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Stephen T., who practices law in Rockford, Illinois, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stephen T. is held by other top lawyers in the same geographic and legal practice area.

David Heiss is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Litigation - Insurance. David, 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 David is held by other top lawyers in the same geographic and legal practice area.

Al began as an associate in the firm of William D. Maddux & Associates from 1984. William D. Maddux became a Circuit Court Judge in Cook County in 1990 and Al became an owner of Kralovec, Jambois & Schwartz, the successor firm to William D. Maddux & Associates at that time. Al's personal highlights include successful jury verdicts in Marion County, Indiana, Cook County, DeKalb County, Will County, Winnebago County and McHenry County, Illinois. The verdicts in DeKalb County (1993) ...

Stephen L. Ritchie is a partner in the Chicago office of Kirkland & Ellis. Steve's practice is concentrated in the areas of complex business transactions, with a particular focus on structuring, negotiating and managing the legal aspects of mergers, acquisitions, leveraged buyouts, recapitalizations, venture capital and growth equity investments, restructurings and workouts. He has also served as lead counsel in the representation of numerous portfolio companies of private equity funds. P...