Margaret A. "Peggy" Herlitzka

Kristen Nelson is a Shareholder in the Health Law Section at von Briesen & Roper, s.c. Kristen focuses her practice on professional license defense including health care licensure, Medicare/Medicaid fraud, government investigations and enforcement actions, and professional liability. She represents health care providers, accountants, child care centers, real estate brokers and attorneys. She has represented clients before the Wisconsin Department of Safety and Professional Services, Wisco...

John M. Murphy is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law and Real Estate Law. John M., who practices law in Milwaukee, Wisconsin, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John M. is held by other top lawyers in the same geographic and legal practice area.

Aaron H. Aizenberg is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Aaron H., who practices law in Milwaukee, Wisconsin, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Aaron H. is held by other top lawyers in the same geographic and legal practice area.

Christopher Hanewicz is a partner in the Patent Litigation and Intellectual Property Litigation practices. He has been involved in complex intellectual property litigations concerning both biotechnology and mechanical patents. He has extensive patent litigation trial experience, as well as experience in the U.S. Court of Appeals for the Federal Circuit. While Christopher’s practice includes experience across all of the major patent litigation dockets (e.g., N.D. Cal., C.D. Cal., E.D. Te...

Kristina E. Somers is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation and Controversy - Tax and Tax Law. Kristina E., who practices law in Milwaukee, Wisconsin, has been recognized since 2011. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kristina E. is held by other top lawyers in the same geographic and legal practice area.

David J. Sisson is a shareholder in the firm’s Litigation and Labor and Employment Practices. David solves problems that arise when critical personal business relationships end. These include disputes involving departing key employees and shareholders in closely held corporations and others who owe fiduciary duties. Controversies often develop at the conclusion of these relationships regarding what may be owned by, or owed to, the respective parties. A departing employee may try to esta...

Bill Ehrke is a shareholder with Crivello Carlson, S.C. Bill’s civil litigation practice focuses on the defense of corporations, insurers, municipalities, creditors, lenders, and repossession agents, with emphasis on personal injury defense, first party property insurance investigations and bad faith defense, the defense of lenders and repossession agents in Wisconsin Consumer Act and Fair Debt Collection Practices Act claims, third party casualty insurance defense, municipal civil righ...

John K. Tokarz is a business lawyer whose practice focuses on complex transactions. As a Certified Public Accountant who previously worked as an auditor for a Big Four accounting firm, John understands his clients’ businesses. From startups to publicly traded companies, he provides a full range of transactional and strategic support to clients with matters involving mergers and acquisitions, joint ventures, divestures, securities offerings and other significant corporate transactions. I...

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....

Bennett E. Choice is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Bennett E., who practices law in Milwaukee, Wisconsin, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Bennett E. is held by other top lawyers in the same geographic and legal practice area.