Margo Wolf O'Donnell

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...

Peter M. Siavelis is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Peter 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 Peter M. is held by other top lawyers in the same geographic and legal practice area.

Jeff is an experienced trial lawyer and business advisor in the area of labor and employment law. Jeff advises clients on wage and hour compliance, reductions in force, enforcement of restrictive covenants, employment contracts and separation agreements, employee selection and discipline, WARN compliance, employment policies, internal investigations and business transactions. He has spoken on several employment-related topics, including effective employment documentation, joint employer liabi...

Susan M. Franzetti has extensive experience in compliance counseling, regulatory and litigation matters. Ms. Franzetti has extensive experience in water pollution matters under both federal and state programs, including issues relating to NPDES and industrial pretreatment discharge permits, effluent toxicity, TMDLs, use attainability analyses, wetlands, CSO’s/SSO’s, rule-making proceedings, variances/site-specific relief, mixing zone demonstrations, antidegradation, antibackslidin...

Conrad C. Nowak joined Corboy & Demetrio in 2023, bringing with him more than 18 years of defense litigation experience in the areas of personal injury, product liability, toxic tort, construction, aviation, trucking and commercial litigation. A former litigation partner at a national law firm, he successfully represented clients at numerous trials, mediations and arbitrations. He has harnessed that experience to better serve people and families who have suffered due to the negligence of ...

Known for her diplomacy and practical problem-solving, Jessica Lingertat approaches each transaction with a steady, collaborative hand. Her clients—including large-scale developers entering competitive markets and construction lenders funding varied projects—value her ability to balance risk and reward, structure creative solutions, and help deals cross the finish line with minimal friction. Jessica steers financings and other transactions related to the construction, development ...

A seasoned legal professional, Dave adeptly navigates the intricate landscape of global client services. His comprehensive approach to strategic corporate matters seamlessly integrates diverse practice areas to serve his clients. With more than three decades of experience, Dave has been at the forefront of shaping critical business deals. He collaborates closely with a diverse clientele, including medical device clients, life sciences and technology clients, and health care providers and heal...

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

Matthew J. Fischer is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Defendants and Product Liability Litigation - Defendants. Matthew J., who practices law in Chicago, Illinois, has been recognized since 2012. 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.

Partner at McDermott Will & Emery -- 1991 - present Co-chairman at McDermott Will & Emery -- 2010-present Previously, head of Trial Department and head of White Collar Criminal Defense Practice Group. Served as an Assistant U.S. Attorney in the Northern District of Illinois from 1986-1991 focusing on the prosecution of white-collar crime.