Heather B. Poster

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...

Daniel P. Cooper is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Tax Law. Daniel P., who practices law in Milwaukee, Wisconsin, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel P. is held by other top lawyers in the same geographic and legal practice area.

Daniel Finerty, a Shareholder with Lindner & Marsack, S.C., represents and counsels private and public sector clients, Native American communities and Employment Practice Liability Insurance carriers in labor and employment litigation matters. Daniel aggressively defends discrimination, retaliation and harassment claims under federal, state, local and tribal law as well as health care retaliation claims under Wisconsin’s Health Care Worker Protection Act, arrest and conviction recor...

Michael J. Gentry is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Michael J., 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 Michael J. is held by other top lawyers in the same geographic and legal practice area.

Caitlyn B. Sikorski is a shareholder in Reinhart’s Trusts and Estates Practice where she focuses on trustee compliance and litigation, including breach of trust, breach of fiduciary duty, undue influence, and significant construction and reformation matters. She represents individual and corporate fiduciaries, beneficiaries, and other parties involved in will, trust and intra-family related disputes and matters. Caitlyn is also experienced in prenuptial and marital property agreements, ...

Julie Malloy is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Corporate Law. Julie, 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 Julie is held by other top lawyers in the same geographic and legal practice area.

Peter Walsh is an attorney with twenty years of experience in estate and asset protection planning and inheritance litigation. Peter assists clients with preserving family wealth through estate and asset protection planning. For example, he utilizes various estate planning techniques to minimize taxes and administrative expenses upon the death or incapacity of a family member. Such planning may include a revocable trust to avoid the cost of court involvement upon the death or incapacity of th...

Barry White is a Shareholder in the Litigation and Risk Management Practice Group and the Co-Chair of the Fiduciary Litigation and Inheritance Disputes Section at von Briesen & Roper, s.c. Barry’s practice focuses on business litigation, with a particular emphasis on fiduciary litigation. Barry has considerable experience representing individual and institutional trustees in a wide variety of trust-related disputes, and also represents beneficiaries and heirs in undue influence and ...

Andrew Christman is a Shareholder in the Litigation and Risk Management Practice Group at von Briesen & Roper, s.c. He has extensive litigation experience involving matters in numerous state and federal courts across the country. He focuses his practice on toxic tort, product liability, premises liability, and insurance litigation. Andrew also has experience in construction litigation, professional liability, and appellate litigation. Andrew helps clients develop, maintain and implement d...

Beth Kushner is a Shareholder in the Litigation and Risk Management Practice Group. She specializes in complex litigation and has successfully handled a broad range of business and commercial disputes, shareholder disputes, construction matters, antitrust disputes, class actions of all sorts, fraud and RICO cases, employment cases and product liability claims. She has a particular expertise in cases that involve high exposure and difficult facts, and her clients appreciate her creative, pragm...