Elizabeth K. McCloy

John O’Neil’s legal knowledge, business savvy, and leadership of complex transactions have earned him a reputation as a global leader in private equity fund matters. John heads the Investment Funds Practice Group, the Firm’s leading-edge global platform that provides innovative and bespoke legal strategies to sponsors and funds of all kinds. John is also a member of the Firm's Executive Committee. John has been recognized by Chamber’s Global, Chambers USA, IFLR 1000, L...

Mercedes Badia-Tavas provides legal and business guidance to clients on a broad range of immigration law cases, with focus on Fortune 500 and small companies alike. Mercedes supports her firm’s offices and clients across various states on immigration employment transfers and up-to-date compliance. As an immigrant herself, Mercedes finds particular fulfillment in helping companies and individuals immigrate to the United States and participate in the American dream through startups and bu...

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

Martin G. Durkin is a trial lawyer whose practice includes antitrust and commercial litigation. He has successfully litigated business and transactional disputes, and tried many complex commercial matters. Mr. Durkin's practice is focused on commercial matters, including breach of contract, business torts, RICO, securities fraud and consumer fraud. Mr. Durkin has also represented a number of Fortune 500 companies in the defense of class actions and mass actions. Representative Matters Class A...

Matthew F. Bergmann is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Matthew F., 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 Matthew F. is held by other top lawyers in the same geographic and legal practice area.

Kevin represents his clients in all aspects of patent law, including due diligence investigations for mergers and acquisitions, patent counseling and prosecution, strategic management of patent portfolios, and opinion preparation, focusing his practice primarily on the biotechnological, pharmaceutical, and medical device industries. Kevin’s work encompasses a broad spectrum of technologies, including therapeutics such as cellular therapies, gene therapies, vaccines, large molecules (bio...

Matthew L. Williams concentrates his practice of law in the areas of medical malpractice , catastrophic personal injury , wrongful death and premises liability . He joined Salvi, Schostok & Pritchard P.C. in 2003 and was named partner in 2009. In recognition of his outstanding legal work, Mr. Williams has been recognized by Super Lawyers as one of the Top 100 lawyers in the state of Illinois every year since 2019. Additionally, he has been honored by Best Lawyers in America in the field o...

Phillip W. Nelson is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Phillip W., 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 Phillip W. is held by other top lawyers in the same geographic and legal practice area.

Jeffrey P. Armstrong is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Jeffrey P., 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 Jeffrey P. 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.