Katherine W. Schill

Christa is a commercial litigator in Milwaukee, Wisconsin, who represents businesses and individuals in disputes involving business relationships, contracts, and other commercial matters. She also serves on the Board of Directors of O’Neil, Cannon, Hollman, DeJong & Laing SC. Christa approaches each matter with careful attention to detail. She particularly enjoys addressing procedural issues, analyzing large sets of data, and developing practical strategies for complex disputes. Whe...

Michael J. Gentry is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management and Litigation - Labor and Employment. Michael J. practices law in Milwaukee, Wisconsin Best Lawyers has recognized Michael J. Gentry 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 Michael J. Gentry is held by other lawyers.

Douglas P. Dehler is a shareholder with O’Neil, Cannon, Hollman, DeJong & Laing S.C . in Milwaukee, Wisconsin. He leads the firm’s Class Action and False Claims Act practice and represents clients in complex litigation matters involving class actions, whistleblower (qui tam) claims, and insurance-related disputes. Mr. Dehler’s practice includes Litigation - Insurance, with experience representing healthcare providers and business clients in disputes involving health insu...

James M. Sosnoski is an attorney in Meissner Tierney’s litigation practice group. He represents businesses and insurers in a wide variety of matters, including insurance coverage, environmental litigation business and corporate disputes, and employment disputes and non-competition agreements. James also specializes in handling all aspects of civil appeals. Prior to joining the firm, James served as Term Law Clerk to Justice Rebecca G. Bradley, Supreme Court of Wisconsin, and the Honorab...

Vincent J. Beres is a shareholder in the firm's Business Law, Tax and Tax-Exempt Organizations Practices. While Vince's clientele consists of businesses, ranging from partnerships and LLCs, S corporations, closely held businesses and large national manufacturing and service corporations, he also has deep experience as a trusted business and family advisor to individual business owners. Representative Matters and Experience Helping a food manufacturing client in the acquisition, development an...

Tom Myers is a Shareholder in the Business Practice Group. Tom focuses his practice on mergers and acquisitions, succession planning, executive compensation, ESOP transactions, business counseling, corporate finance and taxation. He represents manufacturers, distributors, large retailers, software companies, mezzanine lenders, private equity sponsors and financial institutions. Tom has served as lead attorney for both sellers and buyers of businesses and has many years of effective service in...

Aaron H. Aizenberg is a lawyer recognized by Best Lawyers in the practice area of Commercial Litigation. Aaron H. practices law in Milwaukee, Wisconsin Best Lawyers has recognized Aaron H. Aizenberg since 2020. 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 Aaron H. Aizenberg is held by other lawyers.

Nathan Bayer is a lawyer recognized by Best Lawyers in the practice areas of Litigation - Municipal and Municipal Law. Nathan practices law in Milwaukee, Wisconsin Best Lawyers has recognized Nathan Bayer 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 Nathan Bayer is held by other lawyers.

Jennifer L. Ciralsky is a lawyer recognized by Best Lawyers in the practice area of Litigation - Labor and Employment. Jennifer L. practices law in Milwaukee, Wisconsin Best Lawyers has recognized Jennifer L. Ciralsky since 2021. 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 Jennifer L. Ciralsky is held by other lawyers.

Timothy McDonald is a Shareholder in the Compensation & Benefits/ERISA Section. His practice focuses on health and welfare, corporate pension, 401(k), profit sharing, 403(b), executive compensation, nonqualified deferred compensation, employee stock ownership (including S corporation ESOPs), cafeteria, voluntary employees’ beneficiary association (VEBA), and flexible benefit programs. He works with publicly-traded and private for-profit businesses, tax-exempt entities, municipalitie...