Brian A. Sher

Michael D. Mulvihill is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Michael D., 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 Michael D. is held by other top lawyers in the same geographic and legal practice area.

Legal Experience: Ms. Goldstein is a principal with the firm concentrating her practice in the areas of matrimonial and family law since 1985. She has been an active trial attorney preparing and litigating divorce cases involving complex financial matters, including business and real estate valuation, cash flow analysis and custody issues. Ms. Goldstein also has been appointed by the Court to represent children in custody disputes. Memberships: Ms. Goldstein is a member of the Illinois State ...

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...

Ron Damashek recognizes that litigation is a place very few people want to be, but all too many people end up. Operating from that mindset makes Ron a practical lawyer, working to get to the bottom line quickly and enabling his clients to make educated, cost-effective decisions. Regardless of whether the path leads to settlement, arbitration, or trial, Ron stands side-by-side with each client, prepared and ready to succeed. As counsel to secured creditors, Ron regularly litigates and works ou...

David O. Barrett is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. David O., 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 O. is held by other top lawyers in the same geographic and legal practice area.

Deborah L. Gersh is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law and Privacy and Data Security Law. Deborah L., who practices law in Chicago, Illinois, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Deborah L. is held by other top lawyers in the same geographic and legal practice area.

Nicole Berg is a Senior Partner at Keller Postman LLC. She combines an analytical approach to the practice of law with expertise in legal strategy and briefing critical motions to deliver exceptional advocacy on behalf of plaintiffs. At Keller Postman , Nicole’s practice focuses on product liability matters. She sits on the Law & Briefing Subcommittee in the 3M Combat Arms Earplugs MDL—one of the largest group litigation matters in the United States—and is a member of th...

Tom represents clients in patent and trademark prosecution, intellectual property litigation, and post-grant patent challenges before the Patent Trial and Appeal Board (PTAB). Tom has a broad base of experience in various technological and business areas, particularly in pharmaceutical, biotechnology, chemical and medical device inventions. He drafts invalidity opinions, investigates freedom to operate, counsels on strategic portfolio management, and conducts due diligence investigations prio...

Dane A. Drobny is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Dane A., 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 Dane A. is held by other top lawyers in the same geographic and legal practice area.

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