John P. Shanahan

William Invie Shroyer is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Real Estate Law. William Invie, who practices law in Milwaukee, Wisconsin, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William Invie is held by other top lawyers in the same geographic and legal practice area.

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...

Laurence J. Fehring is the co-manager of the firm’s Milwaukee office. Larry has been certified as a Civil Trial Advocate by the National Board of Trial Advocacy since 1995, and a member of the American Board of Trial Advocates-Wisconsin Chapter since 2009. Larry’s practice involves general liability with a focus on injuries and deaths caused by motor vehicle accidents. He also handles cases involving injuries caused by pharmacy errors, contractor negligence, nursing home/elder car...

Kristen Nelson is a Shareholder in the Health Law Section at von Briesen & Roper, s.c. Kristen focuses her practice on professional license defense including health care licensure, Medicare/Medicaid fraud, government investigations and enforcement actions, and professional liability. She represents health care providers, accountants, child care centers, real estate brokers and attorneys. She has represented clients before the Wisconsin Department of Safety and Professional Services, Wisco...

Attorney Matthew Fernholz focuses his practice on commercial litigation, trust and fiduciary disputes, business torts, trade secrets, non-compete agreements, defamation, and appellate work. In addition, he has developed one of the preeminent political and election law practices in the State of Wisconsin, and has handled several high-profile matters, from representing candidates for statewide office, successfully challenging the Governor’s emergency powers, arguing before the Wisconsin E...

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...

Brian G. Carroll is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Brian G., who practices law in Waukesha, Wisconsin, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian G. is held by other top lawyers in the same geographic and legal practice area.

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...

John has extensive experience in the areas of personal injury, peer review, and medical malpractice litigation, particularly in representing healthcare organizations and psychiatrists. Since entering private practice in 1978, he has focused on health litigation involving representation of hospitals and nursing homes through a liability insurance plan offered through the Wisconsin Hospital Association. His practice has included a wide range of hospital, nursing home, hospice and physician defe...

Christine Esser is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Christine, who practices law in Sheboygan, Wisconsin, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christine is held by other top lawyers in the same geographic and legal practice area.