Susan A. Hansen

John K. Tokarz is a business lawyer whose practice focuses on complex transactions. As a Certified Public Accountant who previously worked as an auditor for a Big Four accounting firm, John understands his clients’ businesses. From startups to publicly traded companies, he provides a full range of transactional and strategic support to clients with matters involving mergers and acquisitions, joint ventures, divestures, securities offerings and other significant corporate transactions. I...

John A. Erich is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. John A., who practices law in Milwaukee, Wisconsin, has been recognized since 2003. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John A. is held by other top lawyers in the same geographic and legal practice area.

Jon Levine has a national practice focusing on representing employers in all areas of labor-management relations, including litigation before the National Labor Relations Board and in state and federal courts. He also has significant experience with: The National Labor Relations Act Union organizing campaigns Collective bargaining Labor arbitration Title VII The Americans with Disabilities Act The Age Discrimination in Employment Act The Wisconsin Fair Employment Act Jon’s notable succe...

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...

Doug Dehler is a shareholder with the law firm of O’Neil, Cannon, Hollman, DeJong & Laing S.C., where he leads the firm’s Class Action and False Claims Act practice. Mr. Dehler’s practice focuses primarily on high-stakes, complex litigation, including class action lawsuits and whistleblower (qui tam) cases. Mr. Dehler also represents healthcare providers and business clients in insurance matters, including disputes with health insurance companies and managed care payors....

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.

Colleen E. Fielkow is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Colleen E., who practices law in Milwaukee, Wisconsin, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Colleen E. is held by other top lawyers in the same geographic and legal practice area.

Andy Brusky is a Shareholder at von Briesen & Roper, s.c. focusing his practice on elder law, offering services designed to provide greater options and security for the elderly and disabled. Andy regularly assists clients with Medicaid eligibility, health care and financial powers of attorney, trust documents and long-term care options.

Heather L. Fields is a shareholder in the firm's Health Care Practice and chairs the firm's Hospitals and Health Care Systems group. She is also a member of the firm's Corporate Compliance and White Collar Litigation, Health Care Transactions, Hospice and Palliative Care group and the Tax-Exempt Organizations group. Heather routinely assists clients with a wide variety of regulatory, transactional, and compliance-related matters. She has extensive experience advising clients in connection wit...

Keith E. Kopplin is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Keith E., who practices law in Milwaukee, Wisconsin, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Keith E. is held by other top lawyers in the same geographic and legal practice area.