W. Patrick Sullivan

Jon Feldbruegge is a Shareholder in the Litigation and Risk Management Practice Group at von Briesen & Roper, s.c. He focuses his practice on construction litigation, fire and explosion litigation, insurance coverage and fiduciary litigation. Jon focuses on providing a creative approach to litigation. Since every case presents unique facts and legal issues, his pragmatic, sometimes outside the box, mentality helps achieve favorable results.

Ericka Hammett is a Shareholder at von Briesen & Roper, s.c. in the Insurance Coverage and Risk Management Section. She concentrates her practice on insurance coverage matters, including advising insurers on first-party property, third-party commercial general lability (CGL), professional liability and bad faith claims. She also defends insurer-clients and their insureds at the trial and appellate court level against claims for property damage, personal injury and professional liability.

Jessica Reginato is a Shareholder and Co-Chair of the Toxic Tort Section at von Briesen & Roper, s.c. Jessica enjoys working with clients to optimize risk management and develop strategies for all phases of litigation. She litigates matters involving product liability and toxic tort, insurance disputes, and commercial and personal injury claims, with an emphasis on defending product manufacturers, suppliers, employers, and premises owners in asbestos lawsuits nationwide. She has extensive...

Jeff Mark is a Shareholder in the Health and Business Sections at von Briesen & Roper, s.c. Jeff has extensive experience advising hospitals, multi-institutional health care systems, physician groups and specialty providers regarding a variety of transactional health care related matters including affiliations, joint ventures, acquisitions and divestitures; fraud and abuse; Stark; physician agreements; and equipment and office space leasing arrangements. In addition, Jeff represents clien...

Steve Botzau is the managing attorney in the firm’s Racine and Kenosha offices. He was certified as a civil trial specialist in 1997 by the National Board of Trial Advocacy and was recently selected for exclusive membership in the American Board of Trial Advocates. Steve has completed over 100 civil jury trials. Steve has been recognized as a Super Lawyer since 2005. He has been among the top 50 attorneys in the State of Wisconsin since 2011, and has been among the top 25 attorneys in t...

Margaret T. Lund is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships) and Closely Held Companies and Family Businesses Law. Margaret T., who practices law in Milwaukee, Wisconsin, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Margaret T. is held by other top lawyers in the same geographic and legal practice area.

David G. Peterson is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. David G., who practices law in Waukesha, Wisconsin, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David G. is held by other top lawyers in the same geographic and legal practice area.

Timothy C. Kamin is a top attorney recognized by Best Lawyers in the practice area(s) of Labor Law - Management. Timothy C., 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 Timothy C. is held by other top lawyers in the same geographic and legal practice area.

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...

Mark Malloy is a trial lawyer who represents businesses in all types of commercial litigation, primarily advising companies in the areas of insurance coverage, extra-contractual liability, and professional liability. Mark is licensed in Wisconsin, Minnesota, and Illinois, and various federal courts. He represents companies in litigation across the country. Clients contact Mark for analysis and opinions relating to complex insurance coverage issues for both personal and commercial lines. In pa...