Patrick O’Neill

Sam Hall is the Managing Partner of Crivello, Nichols & Hall, S.C. and is a member of the firm’s Board of Directors. His principal practice focuses on federal civil rights litigation, government affairs and appellate advocacy. He is also a certified mediator. Sam has successfully defended hundreds of law enforcement officers, government officials and even judges in cases involving alleged civil rights violations. He is admitted to practice and has represented parties in high profile...

Mark Foley is a Shareholder with more than 40 years experience meeting the complex business and legal needs of clients ranging from individual business owners to industry trade associations and Global 500 companies. Mark has successfully tried cases before judges and juries in federal and state courts, represented debtors and creditors in bankruptcy courts throughout the United States, and arbitrated matters before AAA and NASD panels. He has directed and conducted the nationwide defense of r...

Rebecca E. Greene is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Rebecca E., who practices law in Milwaukee, Wisconsin, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rebecca E. is held by other top lawyers in the same geographic and legal practice area.

Daniel Finerty, a Shareholder with Lindner & Marsack, S.C., represents and counsels private and public sector clients, Native American communities and Employment Practice Liability Insurance carriers in labor and employment litigation matters. Daniel aggressively defends discrimination, retaliation and harassment claims under federal, state, local and tribal law as well as health care retaliation claims under Wisconsin’s Health Care Worker Protection Act, arrest and conviction recor...

Pete Faust is the president and managing shareholder of O’Neil Cannon and an experienced deal and corporate lawyer. Pete assists buyers, sellers, borrowers, lenders, and investors with a wide range of business law matters, including mergers and acquisitions, formation and organization of new businesses, and contract negotiations. Pete has successfully closed hundreds of mergers and acquisitions and financing transactions, ranging in deal size from few million dollars to $500 million. Pe...

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

Kristin Langhoff is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law, Land Use and Zoning Law and Real Estate Law. Kristin, 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 Kristin is held by other top lawyers in the same geographic and legal practice area.

Monte E. Weiss is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Insurance Law, Litigation - Insurance, Mediation and Personal Injury Litigation - Defendants. Monte E., who practices law in Mequon, Wisconsin, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Monte E. is held by other top lawyers in the same geographic and legal practice area.

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...

Henry Koltz is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Insurance. Henry, who practices law in Milwaukee, Wisconsin, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Henry is held by other top lawyers in the same geographic and legal practice area.