David P. Muth

Benjamin S. Wagner is a shareholder at the firm and has been a member of the firm since 2003. He graduated magna cum laude from the University of Wisconsin Law School in 2003 and also received the Phillips Owens Memorial Scholarship for outstanding academic achievement and community service. Mr. Wagner has successfully tried numerous cases throughout southeastern Wisconsin. Due to his significant trial experience and success, he has been certified as a Civil Trial Specialist by the National B...

Tom Phillips focuses his practice on taxation and provides tax analysis, advice, and tax opinions to publicly traded and closely-held business entities. He has more than 40 years of experience representing clients in and structuring and implementing tax-free reorganizations and mergers, spinoffs, cross-border transactions, taxable asset and stock purchase transactions and partnership transactions. That experience also includes representing private placement investments in limited partnerships...

Jesse R. Dill is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management, Labor Law - Management and Litigation - Labor and Employment. Jesse R., 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 Jesse R. is held by other top lawyers in the same geographic and legal practice area.

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...

Kevin J. Howley is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, International Trade and Finance Law and Mergers and Acquisitions Law. Kevin J., who practices law in Milwaukee, Wisconsin, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kevin J. is held by other top lawyers in the same geographic and legal practice area.

Colleen E. Fielkow is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Colleen E., 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 Colleen E. is held by other top lawyers in the same geographic and legal practice area.

Agatha K. Raynor is a shareholder with Crivello, Nichols & Hall. She concentrates her practice in employment law and regularly advises clients on compliance, best practices and risk management in all areas of employment law, including: accommodation of disabilities; addressing harassment complaints; reductions in force; separation agreements; and implementing effective employment policies and practices. Agatha also defends private and public employers in employment-related litigation befo...

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...

Joseph Gumina is a shareholder at O’Neil Cannon and the Past Chair of O’Neil Cannon’s Labor & Employment Practice Group. Joe is licensed to practice law in the states of Illinois and Wisconsin. Joe has extensive experience representing management in a vast array of employment matters ranging from traditional labor matters involving labor negotiations and unfair labor practice charges to helping employers navigate the complexities of state and federal fair employment laws...

Ronald S. Aplin is a top attorney recognized by Best Lawyers in the practice area(s) of Workers' Compensation Law - Employers. Ronald S., who practices law in Waukesha, Wisconsin, has been recognized since 1995. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ronald S. is held by other top lawyers in the same geographic and legal practice area.