Thomas D. Klein

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...

Dan Welytok is a Shareholder and Chair of the Tax Section at von Briesen & Roper, s.c. Dan’s practice focuses on helping management achieve practical results in all aspects of business. He assists clients nationally and internationally with business development, tax issues, acquisitions and divestments, capital structuring, financing, corporate governance, information technology, licensing and distribution, regulatory and compliance issues, labor and employee benefits matters, and d...

For over 35 years Steve has represented his clients in complex construction, business, and real estate litigation. The emphasis of his practice is in the areas of construction litigation and construction law—representing general contractors, subcontractors, owners, and design professionals, in construction disputes, both in court and in arbitration. His practice also emphasizes real estate litigation, including representing title insurance companies and their insureds, in real estate ti...

Randy Nelson is a Shareholder focusing his practice on estate planning, advising family businesses, tax planning, trust administration and probate. He is a Certified Public Accountant and was an Adjunct Professor at Marquette University Law School where he taught estate planning for over 30 years. He is a frequent speaker at continuing education courses for lawyers and CPAs on the subjects of estate planning and tax planning. He is the author of the chapter “Estate Planning for Owners o...

Attorney Aislinn M. Penkwitz is a Partner at Nelson, Krueger & Millenbach LLC in Milwaukee, Wisconsin, where she represents individuals and families in a wide range of family law matters. Her practice includes divorce, post-judgment disputes and modifications, paternity actions, child custody and placement matters, child support issues, restraining orders, and guardian ad litem appointments. She works closely with clients to address both the legal and practical concerns that often arise i...

Brett A. Eckstein is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice and Personal Injury Litigation - Plaintiffs. Brett A., who practices law in Brookfield, Wisconsin, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brett A. is held by other top lawyers in the same geographic and legal practice area.

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.

Martin J. McLaughlin is a top attorney recognized by Best Lawyers in the practice area(s) of Artificial Intelligence Law and Corporate Law. Martin J., 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 Martin J. is held by other top lawyers in the same geographic and legal practice area.

Benjamin S. Wagner is a shareholder at the firm and has been a member of the firm since 2003. He graduated magna cum laude from the University of Wisconsin Law School in 2003 and also received the Phillips Owens Memorial Scholarship for outstanding academic achievement and community service. Mr. Wagner has successfully tried numerous cases throughout southeastern Wisconsin. Due to his significant trial experience and success, he has been certified as a Civil Trial Specialist by the National B...

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...