Thomas J. Krumenacher

David Westrup, a Shareholder in the Litigation and Risk Management Practice Group at von Briesen & Roper, s.c., provides trusted advice and innovative solutions to national and international manufacturers and commercial enterprises, focusing on protecting and advancing client interests in product liability, insurance and risk management, and antitrust. David works extensively with Fortune 500 management and legal departments, providing sophisticated insights to creatively address challeng...

John E. Mossberg is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - ERISA. John E., who practices law in Milwaukee, Wisconsin, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John E. is held by other top lawyers in the same geographic and legal practice area.

Allen C. Schlinsog, Jr. is a shareholder, chair of the firm's Litigation Practice and chair of the Product Liability and Safety Practice Group. His practice focuses on defense of the pharmaceutical and medical device industry. Al has represented drug and device companies in significant class actions, product liability and mass tort proceedings. He also regularly defends catastrophic injury cases involving a wide variety of products in highly regulated industries, including mining equipment, c...

Zachary J. Davis is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Insurance and Product Liability Litigation - Defendants. Zachary J., who practices law in Milwaukee, Wisconsin, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Zachary J. is held by other top lawyers in the same geographic and legal practice area.

Nathan J. Neuberger is a shareholder in Reinhart’s Corporate Law Practice as well as a member of the firm’s Private Equity, Venture Capital and Corporate Finance group. Nate works with clients to facilitate a wide range of corporate sale and acquisition transactions including leveraged buyouts, strategic mergers and acquisitions, and recapitalizations. Nate represents a range of private equity sponsors located in Illinois, Wisconsin and other states, and he specializes in middle-m...

JB leads O’Neil Cannon’s Business Law Practice Group and is a United States Air Force Veteran. He works with and advises clients on a wide range of business law matters, including form of entity selection and initial capitalization, raising funds through private equity offerings, securities compliance and broker/dealer matters, mergers and acquisitions, contract preparation and negotiation, and software, technology, and IP matters. JB Assists Clients With Mergers, acquisitions, an...

Sally Piefer is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Labor Law - Management. Sally, who practices law in Milwaukee, Wisconsin, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sally is held by other top lawyers in the same geographic and legal practice area.

Laurie McLeRoy is a Shareholder in the Litigation and Risk Management Practice Group. She focuses her civil litigation practice in the areas of insurance litigation (including bad faith), medical malpractice, nursing home, municipal, transportation, premises, and products liability. In products liability defense matters, Laurie has particular expertise in asbestos litigation. In addition to her trial experience in Wisconsin, where she has successfully argued in front of the Wisconsin Supreme ...

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...

Randy Nelson is a Shareholder focusing his practice on estate planning, advising family businesses, tax planning, trust administration and probate. He is a Certified Public Accountant and was an Adjunct Professor at Marquette University Law School where he taught estate planning for over 30 years. He is a frequent speaker at continuing education courses for lawyers and CPAs on the subjects of estate planning and tax planning. He is the author of the chapter “Estate Planning for Owners o...