Thomas R. Homberg

Mary is a shareholder with Crivello, Nichols and Hall, S.C. and is a member of the firm’s Board of Directors. For over 35 years, Mary has defended lawsuits in state and federal courts in Wisconsin, and has extensive experience consulting with and representing private and municipal employers in state and federal matters before the Equal Rights Division and Equal Employment Opportunity Commission. She consults with and advises clients on matters regarding personnel policies, practices and...

William R. Cummings is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. William R. practices law in Milwaukee, Wisconsin Best Lawyers has recognized William R. Cummings since 2010. 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 William R. Cummings is held by other lawyers.

Joe Camilli is a Shareholder in the Business Practice Group at von Briesen & Roper, s.c. He focuses his practice on business and corporate issues, mergers and acquisitions, and employment matters. Joe enjoys working with entrepreneurs, start-ups, and small businesses. Joe finds the greatest success and joy in helping clients navigate and conquer the challenges and opportunities they face. Whether clients need help selling their business, navigating a challenging employment situation, or r...

Jamie Barwin is a Shareholder in the Trusts & Estates Section at von Briesen & Roper, s.c. She focuses her practice on estate planning, probate and estate administration, business and corporate planning, special needs planning and tax. Jamie is also a licensed CPA in both Wisconsin and Michigan with six years of experience at Big 4 Accounting. Jamie delivers comprehensive estate planning services to families and businesses. Jamie helps her clients customize and understand their person...

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...

Joe is the chair of the firm’s Litigation Practice Group. He manages a variety of complex cases involving software class actions, real estate, products liability, banking, intellectual property, and anti-trust matters. He has extensive experience representing both large and small plaintiffs and defendants in challenging civil litigation. He has been selected as a member of the Wisconsin Super Lawyers for six years in a row. Prior to joining O’Neil Cannon, Joe was an associate at t...

Karen is a veteran litigator and legal advisor with more than 30 years of experience representing businesses, individuals, fiduciaries and government entities, both in and out of the courtroom, in complex civil matters. She focuses her practice on a variety of business and commercial disputes, as well as fiduciary, trust and probate controversies, in each case offering practical, client-centric solutions. Before joining O’Neil Cannon, she served as Deputy Corporation Counsel for Milwauk...

Caitlyn B. Sikorski is a shareholder in Reinhart’s Trusts and Estates Practice where she focuses on trustee compliance and litigation, including breach of trust, breach of fiduciary duty, undue influence, and significant construction and reformation matters. She represents individual and corporate fiduciaries, beneficiaries, and other parties involved in will, trust and intra-family related disputes and matters. Caitlyn is also experienced in prenuptial and marital property agreements, ...

Andrew O. Christianson is a lawyer recognized by Best Lawyers in the practice area of Corporate Law. Andrew O. practices law in Milwaukee, Wisconsin Best Lawyers has recognized Andrew O. Christianson 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 Andrew O. Christianson is held by other lawyers.

Barry White is a Shareholder in the Litigation and Risk Management Practice Group and the Co-Chair of the Fiduciary Litigation and Inheritance Disputes Section at von Briesen & Roper, s.c. Barry’s practice focuses on business litigation, with a particular emphasis on fiduciary litigation. Barry has considerable experience representing individual and institutional trustees in a wide variety of trust-related disputes, and also represents beneficiaries and heirs in undue influence and ...