Timothy P. " Tim" Callahan

Rita M. Powers is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Rita M., 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 Rita M. is held by other top lawyers in the same geographic and legal practice area.

Christopher Butler is a nationally recognized corporate partner who concentrates his practice in the area of debt financing transactions with an emphasis on acquisitions and highly leveraged financings. He represents private equity groups, private and public companies and lending institutions across a broad spectrum of industries. He also represents debtors in loan workouts and restructurings, including debtor-in-possession and exit financings. The transactions that Chris has led include majo...

Kevin J. Feeley focuses his practice on the taxation of complex transactions, with particular emphasis on structuring and implementing partnership and limited liability company transactions, including joint ventures and private equity investments. In addition, Kevin has extensive experience in structuring mergers and acquisitions, tax-free reorganizations, recapitalizations and restructurings of financially troubled companies. He also has advised closely held companies, family offices, S corp...

Matthew J. Petersen is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Matthew J., 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 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/

Scott Mendeloff combines an 11-year tenure as a former federal prosecutor with more than 19 years of experience in private practice. He focuses his practice on commercial trials and white collar criminal litigation. Scott has been consistently recognized by Chambers USA in the area of commercial litigation and by Leading Lawyers in the areas of commercial and white collar litigation. Scott has tried to conclusion more than 50 cases in a wide array of areas in both the civil and criminal arena...

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

Seth is a partner in the firm’s Corporate & Securities practice group. Seth focuses his practice on representing large and middle market private equity and venture funds and privately and publicly owned companies in a wide variety of domestic and cross-border complex business transactions. These include mergers & acquisitions, divestitures, leveraged buyouts, venture capital investments, carve-out transactions, joint ventures, start-up financing, growth capital investments and c...

Phil Comella is a partner in Taft’s Environmental group. His practice spans both regulatory counseling and environmental-based litigation. With over three decades of experience in environmental law and a focus on the solid and hazardous waste industry, he regularly counsels owners and operators of landfills, treatment facilities, recycling operations, and waste generators on compliance, enforcement, and litigation matters arising under environmental laws.

Brian Sieve, a Fellow in the American College of Trial Lawyers, is an experienced trial lawyer. Praised for his ability to communicate with a jury and to present complex issues clearly and simply, he has tried more than thirty-five jury trials, bench trials, arbitrations, injunction proceedings, Markman hearings and evidentiary hearings. Brian was distinguished as one of The Best Lawyers in America, U.S. News and World Report, Best Lawyers® for 2013–2023 in the field of commercial l...