R. Mark Halligan

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

Michael J. Zdeb is a top attorney recognized by Best Lawyers in the practice area(s) of Closely Held Companies and Family Businesses Law. Michael J., who practices law in Chicago, Illinois, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael J. is held by other top lawyers in the same geographic and legal practice area.

Brooks B. Gruemmer is a corporate partner with a wide-ranging practice representing private equity and other investment funds and private and public companies, with an emphasis on mergers, acquisitions, divestitures, recapitalizations, joint ventures, and the related financing required to fund such transactions. Read full biography: https://www.mwe.com/people/gruemmer-brooks-b/

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

Dan Meehan is a tax partner focused on private investment funds and their sponsors. For almost 25 years, Dan has maintained one of the most active fund-related tax practices in the world. During the 2-year period ending August 31, 2018, Dan advised on the tax aspects of over 300 fund formation projects. Almost 100 of those held one or more closings during that period, raising a combined total of over $100 billion in capital commitments. Dan’s clients include sponsors of private equity f...

Scott has over 25 years of experience representing famous brands. Scott is ultra-responsive and possesses the unique ability to explain his creative approach to protecting and policing famous brands to non-legal business and marketing professionals. Scott is co-chair of Barack Ferrazzano’s Intellectual Property Group and a member of the Luxury Group. His practice focuses primarily on U.S. and international trademark prosecution, beginning with policing, managing, and protecting the expa...

Ashley C. Keller is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs. Ashley C., 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 Ashley C. is held by other top lawyers in the same geographic and legal practice area.

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.

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.

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...