David S. Birnbaum

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...

Gretchen M. Wolf is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar and Litigation - Regulatory Enforcement (SEC, Telecom, Energy). Gretchen M., who practices law in Chicago, Illinois, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gretchen M. is held by other top lawyers in the same geographic and legal practice area.

Karl Barnickol takes pride in providing practical litigation advice tailored to meet client-specific goals and counseling clients on best practices for business growth and litigation avoidance. His litigation practice focuses on defending complex mass tort and class action cases, including products and publisher liability matters, securities fraud and shareholder derivative litigation, and price-fixing and unfair competition claims. In particular, Karl has significant experience representing ...

Craig P. Mannarino is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Craig P., who practices law in Chicago, Illinois, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Craig P. is held by other top lawyers in the same geographic and legal practice area.

Don brings to the table more than 30 years of experience advising companies and executives on best practices in executive and board compensation. Working within the framework of tax, accounting, SEC reporting, and bank regulatory issues, Don helps guide his clients on how best to recruit, incentivize, and retain top talent as well as advise individual executives in their transition into and out of C-Suite positions. Don is a partner in Barack Ferrazzano’s Compensation & Benefits Gro...

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

Head of the Securities practice group, Mark Wood is a highly skilled, pragmatic and client-focused practitioner with extensive experience representing public companies and investment banks in a wide variety of ongoing and transactional matters. These include IPOs and other public offerings of equity and debt securities, as well as mergers, acquisitions and other strategic transactions. Mark is also a leading advisor to institutional investors in highly structured private investment in public ...

Adam K. Sherman provides legal counsel on a wide range of wealth transfer, tax, estate planning and business succession matters for high-net-worth individuals and business owners. Read full biography here: https://www.mwe.com/people/sherman-adam-k/

Jeanette Suarez Hunter advises high-net-worth individuals, families, business owners and family offices on a wide range of tax, wealth-transfer, succession planning and charitable-giving matters. Jeanette takes a holistic approach to helping her clients implement and manage comprehensive estate plans and business succession plans that meet their immediate and long-term goals. Read full biography: https://www.mwe.com/people/hunter-jeanette-suarez/

A member of Winston’s Executive Committee and winner of Best Lawyers’ “Lawyer of the Year” honor for securities and capital markets work in Chicago, Bruce represents clients in a variety of securities and financial matters, advising major corporations on their M&A transactions, debt offerings and other key capital market strategies and governance matters. Please read more here: https://www.winston.com/en/who-we-are/professionals/toth-bruce-a.html