Amanda A. Sonneborn

Robert M. Weiss provides legal and strategic advice on commercial IT matters, and represents clients worldwide in a variety of complex technology transactions, including systems integrations, infrastructure and business process outsourcings , technology development and licensing projects, ERP implementations, cloud computing and web hosting arrangements, data center and co-location agreements and telecommunications procurements. Rob also advises clients on e-commerce, corporate finance and jo...

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

Sherry L. Harlan is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Sherry L., who practices law in Rockford, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sherry L. is held by other top lawyers in the same geographic and legal practice area.

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.

Allan Muchin co-founded the law firm that bears his name. What began in 1974 as the 24-attorney firm Katten Muchin Zavis has today become Katten Muchin Rosenman LLP, with more than 600 attorneys worldwide. Allan began his legal career as a trial attorney for the Internal Revenue Service. When he helped launch Katten Muchin Zavis, he and his partners set out to create a law firm that was innovative, specialized and entrepreneurial. His practice concentrated on advising corporations, partnershi...

Bruce Bonjour is former co-chair of the firm's Financial Transactions & Securitization practice and is the current chair of its Public Finance practice. Bruce has three major areas of focus: structured finance concentrating in the hospitality sector, municipal finance, serving as bond counsel as well as representing underwriters and credit enhancers, and New Markets Tax Credits. Since 1996 when he served as bond counsel for the tax exempt financing of an 800 room Hyatt Hotel located at Mc...

Bill Kramer is an intellectual property attorney, focusing his practice on patent prosecution, patent threat analysis/response and intellectual property transfers. He has broad knowledge of many technical subjects, with particular experience in algorithm-based computer software, video distribution systems, cloud computing, artificial intelligence software, modern currency forms and transfers, and blockchain technologies. Bill leverages his technical aptitude and successful experience to help ...

John S. Mrowiec is a founding partner in the firm of Conway & Mrowiec. Mr. Mrowiec represents project participants in arbitration, litigation, mediation, contract drafting and claim preparation. He has tried, arbitrated or mediated several complex cases throughout the United States, most recently, successfully represented a general contractor to recover a seven-figure claim on an urban school project in a multi-week arbitration against a earth retention subcontractor involving the cause o...

Jim Hitzeman focuses his practice on estate and trust litigation, representing a wide range of clients, including corporate fiduciaries and charities. He has handled will and trust contests, construction actions, trust reformations, citations, actions involving contracts to make a will, accounting actions, and charitable cy pres and equitable deviation matters, in addition to a host of cases involving breach of fiduciary duty. Mr. Hitzeman has extensive experience dealing with family settleme...

Earl is chair of the firm’s Corporate & Securities practice group. He has extensive experience representing public and private companies and individuals in corporate, partnership and joint venture transactions. His experience includes complex mergers and acquisitions, representing both buyers and sellers, restructurings, spin-offs, and divestitures. He regularly advises family offices regarding governance, succession planning, optimal investment structure, tax planning and executive...