Sarah Kerr Severson

Jeffrey Sheffield concentrates his practice in the areas of tax planning, mergers, acquisitions, and spin-offs, with a particular focus on complex tax planning for publicly traded companies and consolidated groups. Jeff is past Chairman of the Planning Committee for the University of Chicago Federal Tax Institute, and has been listed as a Tier One attorney by Chambers USA. In the 2006–2017 editions of Chambers Global, The World's Leading Lawyers for Business, Jeff is recognized as a lea...

When advising creditors in bankruptcies and reorganizations, Peter Siddiqui knows that his job is to make the best of a bad situation. Banks, hedge funds and private equity investors, as well as borrowers, turn to him to find swift solutions that protect their interests with minimal distress. Because he understands his clients' business realities — whether they're in the automobile, real estate, financial services or hospitality and resort industries — he offers advice that's not ...

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.

Martin (Marty) Tish offers strategic counsel regarding asset ownership and structure, retirement planning and charitable planning for business owners, executives, entrepreneurs, traders, charities, family offices and individuals. He has administered estates and trusts ranging in size from $500,000 to more than $100 million. Clients rely on his aptitude for minimizing their tax burdens combined with the tact and discretion he employs in managing the sensitive human concerns that often arise du...

Chair of the firm’s Environmental Department, Erika Powers’ practice is totally focused on nationwide water quality issues. Her ability to understand the most complex details of a matter without losing sight of the macro agenda and big-picture client objectives is critical when analyzing the intersection of science and law surrounding water quality regulation. Notably, Erika provides veteran legal counsel regarding regulatory matters involving state and federal environmental agenc...

Dennis is an innovative and creative thinker who helps clients find the best path to their desired goals. He has more than 35 years of experience over hundreds of transactions in the strategy, structure, and successful execution of mergers and acquisitions and other capital transactions. Dennis regularly advises clients on the mergers and acquisitions of financial institutions, the raising of additional capital through public and private offerings of equity and debt instruments, and other str...

Olivia is an intellectual property litigator who represents individuals and corporations across the country in complex technological matters. She helps clients protect, enforce, and defend intellectual property rights, including patents, trade secrets, copyrights and trademarks. An experienced trial lawyer, Olivia has litigated and tried significant cases before the U.S. District Court for the Northern District of Illinois and other federal courts around the country, and has also briefed and ...

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

Trial lawyer Jerry Santangelo has extensive experience representing major financial institutions, securities broker-dealers, RIAs, financial advisors, and individual investors in federal and state courts and arbitration proceedings. He has won many multimillion-dollar cases in courts across the nation and personally has tried nearly 100 securities industry arbitrations to final judgment. Few lawyers have Jerry’s level of experience in handling securities industry arbitrations for invest...

Ashley Fischer is a partner in the law firm of McDermott Will & Emery LLP. She is Partner-in-Charge of the Health Industry Advisory Practice Group in Chicago. She also co-chairs the firm’s Health Antitrust Affinity Group. Ashley represents healthcare providers on a wide range of corporate and regulatory matters, focusing on affiliations, collaborations, joint ventures, managed care contracting networks such as clinically-integrated networks (CINs) and accountable care organizations ...