Mark J. Diliberti

Jon and his firm have handled every kind of injury case you can imagine: auto and motorcycle collisions, product liability, civil litigation, nursing home neglect, bicycle and pedestrian accidents, and animal attacks.

Travis R. Mueller is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law and Mergers and Acquisitions Law. Travis R. practices law in Milwaukee, Wisconsin Best Lawyers has recognized Travis R. Mueller since 2022. 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 Travis R. Mueller is held by other lawyers.

Joseph E. Tierney, III has more than forty years of experience focused primarily on tax and corporate law for businesses, owner families and individuals. He has particular experience in the design and administration of plans for very large estates, including some whose accumulated assets have totaled in the eight- and nine-figures. He has also been lead counsel in the purchase and sale of numerous businesses and has extensive experience in entity selection and structuring. Because tax consequ...

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...

John Rocco is a Shareholder in the Litigation and Risk Management Practice Group. John serves as national, regional and local counsel for a number of corporations, providing legal services in the areas of toxic tort and product liability defense, contractual indemnity, insurance placement and insurance coverage, commercial litigation, risk management and due diligence investigations. He manages and directs the work performed by lawyers and law firms on behalf of many of these corporations acr...

Sarah Kaas is a lawyer recognized by Best Lawyers in the practice area of Personal Injury Litigation - Plaintiffs. Sarah practices law in Milwaukee, Wisconsin Best Lawyers has recognized Sarah Kaas 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 Sarah Kaas is held by other lawyers.

Jim’s practice focuses on representing privately held businesses and their owners on a wide variety of legal matters. In particular, he has extensive experience guiding clients through significant corporate transactions, including the purchase and sale of businesses, complex contractual matters, and planning for business succession. Jim works with clients across a wide range of industries, including manufacturing, distribution, fintech ,and professional services. Jim has a unique perspe...

Peter Walsh is an attorney with twenty years of experience in estate and asset protection planning and inheritance litigation. Peter assists clients with preserving family wealth through estate and asset protection planning. For example, he utilizes various estate planning techniques to minimize taxes and administrative expenses upon the death or incapacity of a family member. Such planning may include a revocable trust to avoid the cost of court involvement upon the death or incapacity of th...

Christy Brooks serves as Counsel to the firm where she focuses on school and family law, and litigation techniques. Her previous work for school districts had a special emphasis on state and federal laws affecting pupil matters including discipline and special education. In the family law area, in addition to divorce and paternity, her work included Collaborative Divorce cases. Her civic activities have included: Board of Directors: Wisconsin Equal Justice Fund, Greater Milwaukee Voluntary Ac...

Sally Piefer is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management and Labor Law - Management. Sally practices law in Milwaukee, Wisconsin Best Lawyers has recognized Sally Piefer since 2025. 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 Sally Piefer is held by other lawyers.