David B. Karp

Ericka Hammett is a Shareholder at von Briesen & Roper, s.c. in the Insurance Coverage and Risk Management Section. She concentrates her practice on insurance coverage matters, including advising insurers on first-party property, third-party commercial general lability (CGL), professional liability and bad faith claims. She also defends insurer-clients and their insureds at the trial and appellate court level against claims for property damage, personal injury and professional liability.

Aislinn M. Penkwitz is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Aislinn M., who practices law in Milwaukee, Wisconsin, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Aislinn M. is held by other top lawyers in the same geographic and legal practice area.

Pat Bergin is a registered Patent Attorney with the United States Patent and Trademark Office. He is the chair of the Information Technology, Data Privacy and Security Section at von Briesen & Roper, s.c. and regularly assists clients with a broad range of intellectual property issues with an emphasis on domestic and international intellectual property procurement, including: drafting and prosecuting utility and design patent applications in the mechanical, electro-mechanical and medical ...

Dan Welytok is a Shareholder and Chair of the Tax Section at von Briesen & Roper, s.c. Dan’s practice focuses on helping management achieve practical results in all aspects of business. He assists clients nationally and internationally with business development, tax issues, acquisitions and divestments, capital structuring, financing, corporate governance, information technology, licensing and distribution, regulatory and compliance issues, labor and employee benefits matters, and d...

Richard W. Donner is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Richard W., 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 Richard W. is held by other top lawyers in the same geographic and legal practice area.

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.

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...

Guy R. Temple is shareholder in Reinhart’s Litigation Practice who represents a variety of clients including business owners, product manufacturers, developers, and distributors with a wide range of complex legal issues related to product distribution, franchising, and supply chain disputes. Guy’s practice also includes representing individual and corporate fiduciaries in a broad range of trust, estate and probate disputes. Over the course of his career, Guy has successfully repre...

Brian G. Carroll is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Brian G., who practices law in Waukesha, Wisconsin, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian G. is held by other top lawyers in the same geographic and legal practice area.

Susan Lovern is the President and CEO of von Briesen &?Roper, s.c. and Chairs the firm’s Commercial and Business Litigation Section. She represents clients in complex business litigation and appeals in state and federal courts, as well as in pre-litigation contexts, including arbitrations and mediations. Susan’s business litigation clients include hospitals, health systems, banks, and manufacturers. She regularly handles contract, lease and warranty disputes for her clients, a...