Peter Hackmann, Esq.
Facing a domestic matter can be overwhelming, but having the right attorney can make a meaningful difference. No matter the issue you face, it’s important to work with someone who will take the time to understand your needs and advocate for your interests. Peter Hackmann is a caring Senior Associate Attorney with Stange Law Firm. Based in our firm’s Arnold, Missouri office, he can represent individuals throughout the St. Louis metro area and Jefferson County.
Peter holds a Juris Doctor from Thomas Jefferson School of Law in San Diego, California. Before pursuing a legal career, he earned a Bachelor of Science in Aerospace Engineering from the University of Illinois at Urbana-Champaign. His diverse academic background reflects a strong foundation in both analytical thinking and legal reasoning.
Peter is Lead Counsel Rated for divorce and family law. Since 1997, Lead Counsel Verified status has been granted to attorneys who possess the right professional experience and a spotless record.
Peter is dedicated to guiding clients through the often challenging and emotional landscape of domestic law. Before joining Stange Law Firm, he built a strong foundation managing complex intellectual property cases. He understands that each client’s situation is unique and takes the time to listen carefully, develop personalized legal strategies, and provide steady support throughout the process.
Peter is committed to advocating for his clients’ rights and best interests, whether negotiating settlements or representing them in court. His thoughtful, detail-oriented approach combined with compassion allows him to help clients navigate difficult transitions with confidence and clarity, aiming for resolutions that promote their long-term well-being.
Honors and Awards
- Lead Counsel Verified in Domestic Law and Matrimonial Law, since 2026
