Eric L. Hafferman

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...

Laurie A. Petersen is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management and Labor Law - Management. Laurie A. practices law in Milwaukee, Wisconsin Best Lawyers has recognized Laurie A. Petersen since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Laurie A. Petersen is held by other lawyers.

David J. B. Froiland is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management, Labor Law - Management and Litigation - Labor and Employment. David J. B. practices law in Milwaukee, Wisconsin Best Lawyers has recognized David J. B. Froiland since 2018. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which David J. B. Froiland is ...

John Sikora is a Shareholder representing clients in tax planning, tax controversies and the buying and selling of businesses and real estate with a particular focus on corporate, partnership and other business matters. John is an adjunct professor of law at Marquette University Law School, where he has taught the tax practice and procedure and corporate income tax courses. John has also taught the taxation of partnerships and S corporations course to graduate accounting degree candidates at ...

Troy E. Giles is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Troy E. practices law in Waukesha, Wisconsin Best Lawyers has recognized Troy E. Giles since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Troy E. Giles is held by other lawyers.

Kevin J. Howley is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law, International Trade and Finance Law and Mergers and Acquisitions Law. Kevin J. practices law in Milwaukee, Wisconsin Best Lawyers has recognized Kevin J. Howley since 2009. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Kevin J. Howley is held by other lawyers.

David G. Hanson is a lawyer recognized by Best Lawyers in the practice areas of Advertising Law, Litigation - ERISA, Litigation - Intellectual Property and Litigation - Patent. David G. practices law in Milwaukee, Wisconsin Best Lawyers has recognized David G. Hanson since 2019. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which David G. Hanson is held by othe...

Jeff Mark is a Shareholder in the Health and Business Sections at von Briesen & Roper, s.c. Jeff has extensive experience advising hospitals, multi-institutional health care systems, physician groups and specialty providers regarding a variety of transactional health care related matters including affiliations, joint ventures, acquisitions and divestitures; fraud and abuse; Stark; physician agreements; and equipment and office space leasing arrangements. In addition, Jeff represents clien...

Shareholder Michael J. Cohen has more than 25 years of experience in complex commercial litigation in federal and state courts. His proven record of numerous favorable verdicts at the trial and appellate levels has earned him a reputation as one of Wisconsin’s preeminent business litigators. For many years, Mike has been recognized by members of the Wisconsin bar and judiciary as one of the top lawyers in the state. Mike concentrates his practice on complex commercial litigation includi...

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...