Harry N. Arger

Drawing on nearly 40 years of combined experience as a federal prosecutor and defense attorney, Sheldon Zenner expertly navigates his clients through high-stakes matters, including government and internal investigations, regulatory proceedings, all phases of criminal matters and related civil litigation. Sheldon's diverse client base is made up of corporations, high-ranking executives and company owners across a wide range of industries, including financial services, health care and entertain...

Nathan draws on over two decades of insolvency and workout experience to provide practical and insightful advice to clients. He builds relationships to obtain favorable results in both transactional and litigation matters. Nate is the chair of Barack Ferrazzano’s Bankruptcy & Creditor Rights Group. He has extensive experience in all aspects of business reorganizations, workouts, and bankruptcies, inside and outside of court restructurings. This includes the representation of credito...

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

Jacqueline M. Vidmar has more than thirty five years of environmental law experience, brings wealth of knowledge to transactional and regulatory matters and disputes. She represents companies in a variety of industries, including manufacturing, public utilities, health care and pharmaceuticals, transportation (rail and pipeline), and real estate. Ms. Vidmar excels in real estate portfolio management, M&A due diligence, contaminated property disputes, remediation and development, defense o...

As a real estate partner, Brett has more than 20 years of diverse experience advising clients with respect to sophisticated real estate transactions, including acquisitions, dispositions, leasing, development, financings, and joint ventures. Brett is a trusted strategic advisor who maintains a deal-oriented approach with a goal of understanding and achieving his client’s goals in an efficient manner. Brett is thoughtful and highly cost-effective as he concentrates on the material issues...

Norma Zeitler serves as outside labor and employment and litigation counsel to nonprofit, healthcare, hospitality and manufacturing clients. Norma is totally committed to helping each client focus on its mission and mitigate the potential for a dispute through proactive counseling and development of sound policies, practices and procedures. Norma represents employers in the defense of employment discrimination, retaliatory discharge, breach-of-contract, workplace torts and restrictive covenan...

Garret Leach is a nationally recognized first chair trial lawyer who focuses on patent and other intellectual property litigation. He is a registered patent attorney and has successfully led litigation teams in district courts throughout the country as well as at the International Trade Commission. He has also argued for his clients before the U.S. Court of Appeals for the Federal Circuit and the Patent Trial and Appeal Board. His appellate arguments include a successful argument in front of ...

As employers increasingly seek to hire and retain talented foreign national employees to maximize competitiveness, Tejas is empathetic to their needs and offers practical immigration law advice. He is committed to guiding employers of all sizes – across a diverse cross-section of industries, including finance, banking, education, transportation, and healthcare – in efficiently and economically sponsoring workers for permanent residency in the United States through Program Electron...

Joe Madonia is leader of the firm’s Environmental Litigation team. For more than 25 years, Joe has defended and counseled clients on a wide array of toxic tort and environmental matters at the local, regional and national levels. Joe delivers strong skills as a litigator, multifaceted trial experience, and the regulatory know-how and scientific depth needed to problem-solve at virtually any level of sophistication or difficulty. His experience includes serving as national trial counsel ...

Susan Daley is a partner with Perkins Coie and has more than 20 years of experience in the areas of executive compensation, securities and employee benefits. She is currently President of the Chicago Chapter of the National Association of Stock Plan Professionals, Chair of the Federal Securities Law Subcommittee of the Employee Benefits Committee of the American Bar Association Section of Taxation, and a member of the BNA Pension & Benefits Advisory Board. She is a former Chair of the Ill...