David H. Patzer

Ken Hoogstra maintains an extensive employee benefits practice, advising clients on such matters as ERISA compliance for group health, welfare and pension plans, and the design and administration of qualified retirement plans and nonqualified deferred compensation plans. Ken places a particular focus on the implementation, design and administration of employee stock ownership plans (“ESOPs”). He also has significant experience working on executive compensation arrangements, includ...

William H. Tobin is a lawyer recognized by Best Lawyers in the practice area of Employee Benefits (ERISA) Law. William H. practices law in Milwaukee, Wisconsin Best Lawyers has recognized William H. Tobin since 2016. 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 H. Tobin is held by other lawyers.

Dennis W. Hollman is a Milwaukee, Wisconsin attorney with more than 45 years of experience advising business owners on Corporate Law , Trusts and Estates , contracts, and business succession planning . He is a founding member of O’Neil, Cannon, Hollman, DeJong & Laing SC , established in 1973. Dennis works with business owners on the legal and financial considerations involved in planning for the future of a company. His work may include developing business succession plans, coordin...

Gregory W. Lyons represents businesses, individuals, trustees, personal representatives, and agents acting under powers of attorney in commercial litigation and other complex disputes. Based in Milwaukee, Wisconsin, Greg represents clients in both the prosecution and defense of matters involving contract disputes, tort disputes, business conflicts, and insurance coverage. Greg also represents clients in inheritance litigation, including will contests and trust and estate disputes throughout W...

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...

Susan Lovern is the President and CEO of von Briesen &?Roper, s.c. and Chairs the firm’s Commercial and Business Litigation Section. She represents clients in complex business litigation and appeals in state and federal courts, as well as in pre-litigation contexts, including arbitrations and mediations. Susan’s business litigation clients include hospitals, health systems, banks, and manufacturers. She regularly handles contract, lease and warranty disputes for her clients, a...

Nick Castronovo is a Shareholder in the Litigation and Risk Management Practice Group. His practice focuses on commercial and business litigation including breach of contract disputes, shareholder disputes, business torts including breach of fiduciary duty and misrepresentation claims, class actions, construction defect claims, premises liability claims, manufacturers’ representatives matters including commission disputes, trust litigation, OSHA citation defense, and general risk manage...

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...

Nate Johnson is a Shareholder and Co-Chair of the General Litigation Section. His practice focuses on insurance defense claims, product liability, toxic tort, strategic risk and crisis management. Nate has successfully tried numerous cases to verdict throughout Wisconsin. Nate has significant experience litigating cases in the following areas: Products liability Insurance coverage Business/Commercial disputes Construction Personal injury Wrongful Death Premise liability Professional liability

Mike Wirth is a Shareholder in the Litigation and Risk Management Practice Group at von Briesen & Roper, s.c. Mike is a seasoned trial attorney with more than 30 jury trials across Wisconsin. He focuses his practice on professional liability, insurance coverage litigation and appellate representation. Mike has extensive experience handling professional liability claims against attorneys, law firms, accountants, accounting firms and medical professionals. His insurance coverage practice in...