David W. Simon

Greg represents clients in the prosecution and defense of complex commercial litigation. His extensive experience in commercial litigation has prepared him to successfully represent large corporations as well as small businesses and individuals. Greg also has extensive experience representing individuals in inheritance litigation. He has successfully litigated many will contests and trust disputes throughout Wisconsin. Greg has accomplished tremendous results on behalf of trustees, personal r...

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...

Dave Cisar Co-Chairs the Banking and Commercial Finance Section. He draws on his 35 years of experience to counsel businesses on governance, financing, contracting, real estate, acquisitions and strategic planning. Dave has a strong focus on the Uniform Commercial Code (“UCC”) and represents financial institutions and businesses in all aspects of commercial finance and other commercial transactions including terms and conditions of sales, commercial loan agreements, inter-creditor...

Pamela J. Tillman’s practice focuses on representing a wide variety of businesses in litigation matters, primarily in the areas of complex insurance coverage issues, commercial litigation, mortgage lending disputes, employment disputes and health care liability. Whatever the issue, she believes that it is paramount to have the experience and understanding to advise clients on the possible outcomes and costs of litigation so that clients have a comprehensive viewpoint to make the strateg...

Named one of 2015. 2016 and 2017’s Best Lawyers in America, a six-time Super Lawyer Rising Star, two time Super Lawyer, former past president of the Leander Foley Matrimonial Inns of court, and Fellow with the American Academy of Matrimonial Lawyers, Attorney Rebecca Millenbach’s resume speaks for itself. Having practiced law since 2001, Attorney Millenbach has focused her talents exclusively on family law since 2005. Through years of experience, Attorney Millenbach has acquired t...

Anthony J. Handzlik is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Anthony J., who practices law in Milwaukee, Wisconsin, has been recognized since 2012. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Anthony J. is held by other top lawyers in the same geographic and legal practice area.

Doug Dehler is a shareholder with the law firm of O’Neil, Cannon, Hollman, DeJong & Laing S.C., where he leads the firm’s Class Action and False Claims Act practice group. Mr. Dehler’s practice focuses primarily on high-stakes, complex litigation, including class action lawsuits and whistleblower (qui tam) cases. Mr. Dehler also represents healthcare providers and business clients in insurance matters, including disputes with health insurance companies and managed care p...

Christine Bestor Townsend is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Christine, who practices law in Milwaukee, Wisconsin, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christine is held by other top lawyers in the same geographic and legal practice area.

Heather L. Fields is a shareholder in the firm's Health Care Practice and chairs the firm's Hospitals and Health Care Systems group. She is also a member of the firm's Corporate Compliance and White Collar Litigation, Health Care Transactions, Hospice and Palliative Care group and the Tax-Exempt Organizations group. Heather routinely assists clients with a wide variety of regulatory, transactional, and compliance-related matters. She has extensive experience advising clients in connection wit...

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....