Sean M. Sweeney

Joe is the chair of the firm’s Litigation Practice Group. He manages a variety of complex cases involving software, class actions, real estate, products liability, banking, and intellectual property matters. He has extensive experience representing both large and small plaintiffs and defendants in challenging civil litigation. He has been selected as a member of Wisconsin Super Lawyers for eleven years in a row. Prior to joining O’Neil, Cannon, Hollman, DeJong & Laing S.C., Jo...

Frank Pitsoulakis is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Frank, who practices law in Milwaukee, Wisconsin, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Frank is held by other top lawyers in the same geographic and legal practice area.

Agatha K. Raynor is a shareholder with Crivello, Nichols & Hall. She concentrates her practice in employment law and regularly advises clients on compliance, best practices and risk management in all areas of employment law, including: accommodation of disabilities; addressing harassment complaints; reductions in force; separation agreements; and implementing effective employment policies and practices. Agatha also defends private and public employers in employment-related litigation befo...

Lee Anne Conta is a Shareholder in the Litigation and Risk Management Practice Group. She focuses her practice in insurance coverage and litigation and is co-Chair of the Insurance Coverage and Risk Management Section. She advises clients on a variety of insurance coverage issues nationwide, including coverage issues arising in commercial, intellectual property, construction, and environmental matters. Lee Anne has been involved in numerous cases at the appellate court levels, including prese...

Frank DiCastri is a shareholder in Reinhart’s Business Reorganization Practice. For more than 20 years, Frank has focused his practice on insolvency proceedings, including corporate reorganization cases, liquidations and receiverships, and other litigation and trial work arising from sophisticated commercial transactions. His clients have included debtors, financial institutions, creditors’ committees, trustees, receivers, asset purchasers and both secured and unsecured creditors....

Thomas J. Nichols is a shareholder at Meissner Tierney Fisher & Nichols S.C. in Milwaukee, Wisconsin. Over the course of his 40-plus-year career, he has represented a great number of businesses in many different industries, as well as participated in the drafting and development of business and tax statutes and policy at both the state and federal levels.Thomas is well versed in both business entity law (e.g., corporations, LLCs and partnerships) and tax law (e.g., S corp, C corp, partner...

Heidi Vogt is a Shareholder and Chair of the Litigation and Risk Management Practice Group. She has substantial and broad experience in litigation matters with a particular focus on insurance coverage disputes, commercial disputes and complex litigation. Heidi serves as the Chair of the Insurance Coverage and Risk Management Section. She has represented insurance companies in Wisconsin and across the country in both state and federal courts in complex insurance coverage matters for more than ...

Ryan S. Stippich is a shareholder in the firm’s Litigation Practice, as well as a member of the White Collar Litigation and Corporate Compliance Group and Reinhart Institutional Investor Services. He represents clients in a wide range of complex civil and criminal matters at both the trial and appellate levels. Ryan focuses his litigation practice in the areas of securities litigation, shareholder disputes, professional liability litigation, other business torts and class actions. Ryan ...

Ronald S. Aplin is a top attorney recognized by Best Lawyers in the practice area(s) of Workers' Compensation Law - Employers. Ronald S., who practices law in Waukesha, Wisconsin, has been recognized since 1995. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ronald S. is held by other top lawyers in the same geographic and legal practice area.

Tom Phillips focuses his practice on taxation and provides tax analysis, advice, and tax opinions to publicly traded and closely-held business entities. He has more than 40 years of experience representing clients in and structuring and implementing tax-free reorganizations and mergers, spinoffs, cross-border transactions, taxable asset and stock purchase transactions and partnership transactions. That experience also includes representing private placement investments in limited partnerships...