Attorney Profile

Erin Hahn Attorney Dane County


Family law

Restraining Orders

Criminal Defense

Juvenile law

Expulsion hearings


Wisconsin, 1994

Western District of Wisconsin, 1994


University of Wisconsin, Madison

Juris Doctorate

Moot Court Board

University of Wisconsin, Milwaukee

Bachelor of Arts, summa cum laude

Phi Beta Kappa


Dane County Bar Association, State Bar of Wisconsin, Criminal Defense Lawyers Association, Collaborative Family Law Council of Wisconsin


Family Law Assistance Center, Dane County Bar Mediation Program

My name is Erin Hahn. Before I went to law school, I worked in the insurance industry. That experience was invaluable and provided me an understanding of how that industry works. After law school, I was corporate counsel for a major insurance company.

After a short period of time, I was hired as an Assistant District Attorney in Washington County. It was then that I realized my passion was in representing people, not the State or an insurance company. I wanted to get to know the story of the person who found themselves in court and help that person.

I became a criminal defense attorney at a private firm in Madison specializing in drunk driving defense. After working at that firm a short while, I joined another Madison attorney and soon became a partner at Sipsma & Hahn, which eventually became Sipsma, Hahn & Brophy. I was a partner with those firms for nearly 17 years.

I am proud to have recently started my own law firm. My focus is exclusively on family and criminal law. I have handled complex international custody cases, high net-worth divorces and contentious custody battles. I am also a member of the Collaborative Family Law Council of Wisconsin and have expertise in collaborative divorces.

I have also successfully defended criminal cases ranging from sexual assault, stalking, domestic violence, burglary, OWI cases and have an extensive background in criminal law. I am an adjunct instructor at the UW Law School.

Working with me is my paralegal Kathryn Ellefson. She and I have worked together for three years. She has a bachelor’s of arts degree from Grinnell College. She has six years’ experience working as a paralegal. Together we are a team committed to personal service and providing you with the highest quality legal services.

In the end, what matters most to you are results. We believe that those results are the product of individual contact, control of the legal process and negotiations, extensive preparations and vigorous advocacy.

It is an honor and a privilege for me to represent my clients. I aggressively protect their legal interests while remaining compassionate to their struggles.

We know that this experience is difficult for you and want to position you best for moving forward in your life. Your future success is important to me. In the end, the best result for my clients is what matters most to me.