Luis I. Arroyo

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...

Overview As a shareholder in Reinhart’s Corporate Law and International Practices and member of the firm’s multidisciplinary Commercial and Competition Law Group, Catherine L. Davies has an extensive business law practice focused on international and domestic transactional matters. Cathy works closely with clients on purchase and sale transactions, joint ventures, distributor and sales representative agreements and other commercial issues. Cathy is also a member of the White Colla...

Mark Schmidt is a Shareholder in the Litigation and Risk Management Practice Group and Co-Chair of the Construction Law and Litigation Section. Mark helps clients resolve their most challenging and complex problems by focusing on practical solutions and efficient business results. Mark is directly involved in all aspects of negotiation, strategic planning, risk assessment, arbitrations, mediations and court and jury trials in state and federal court. Mark’s broad experience covers all a...

Brian G. Carroll is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law and Real Estate Law. Brian G. practices law in Waukesha, Wisconsin Best Lawyers has recognized Brian G. Carroll 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 Brian G. Carroll is held by other lawyers.

Doris Brosnan is a Shareholder in the firm’s Labor and Employment Law Section, and focuses on assisting clients with employment issues. Doris regularly advises health care and corporate clients on dealing with disloyal or difficult employees, accommodating disabilities in the workplace, harassment, workplace violence, FMLA, and the development of effective employment policies and practices. She regularly assists clients in preparing and implementing employee transition plans, including ...

I have been practicing law for more than 35 years on behalf of Wisconsin individuals and families who have suffered a loss caused by the carelessness of others. Prior to joining GCW I founded Laufenberg Law Group in 2000, and decided to join GCW because we share many of the same professional principles and standards which have guided me through my career .Over the years I have been an active developer of Wisconsin tort law, appearing before state and federal appellate courts in numerous cases...

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.

Erica Storm is a Shareholder at von Briesen & Roper, s.c. focusing on employment law and employee benefits law and compliance. Prior to joining von Briesen, Erica was a Senior Director at Zywave where she focused on the integration of HR and compliance products, implemented new technology solutions including AI, and oversaw legal content surrounding employment and employee benefits law.

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...

Kevin Fetherston is a Shareholder in the Litigation and Risk Management Practice Group. He focuses his practice on professional liability litigation, commercial and business litigation, insurance coverage, and general tort litigation. Kevin has extensive experience litigating complex cases and appeals in both state and federal courts.