Our Staff

Attorney Jamie Anne Epstein


Attorney Epstein is a 2015 graduate of the Marquette University Law School and received her undergraduate degree in political science from the University of Kansas. While in law school, Attorney Epstein served as co-President of the American Constitution Society, Vice-President of the Labor and Employment Law Society, and Justice of Phi Alpha Delta. Regular volunteer shifts at the Milwaukee Justice Center earned her a place in the Pro Bono Society. Prior to attending law school, Attorney Epstein worked in partisan politics and for a nonprofit that recruits, trains, and elects women to elected and appointed office.


Attorney Epstein joined Lagmann in May of 2015 and focuses her practice in all areas of family law. She also works as a Guardian ad Litem representing the best interests of the minor child. Attorney Epstein is a member of the State Bar of Wisconsin, the Association of Family and Conciliation Courts, and the Waukesha Bar Association. In her free time, she enjoys watching sports, reading, volunteering, crafting, and spending time with her puppy, Stormy.



Attorney Andrew J. Golden (Managing Attorney)


Attorney Golden is a 2009 graduate of Marquette University Law School, where he furthered the law school's focus on public interest and non-profit law by serving as the President of the Public Interest Law Society, overseeing an expansion of the summer fellowship program.  During law school, he interned at Centro Legal and the State Public Defender's office, where he was actively involved in the defense of homicide and sexual assault cases.  


He joined Lagmann in February of 2013 and currently focuses his practice on trial and appellate level criminal defense, juvenile law, CHIPS and JIPS, TPR cases, and mental health cases. Attorney Golden is also certified as a Guardian ad Litem, and is regularly appointed to represent wards in both adult and juvenile court proceedings.



Attorney Crystal Johnson-Manz


Attorney Johnson-Manz is a 2009 graduate of Marquette University Law School, where she focused on family law, creditor/debtor law and public interest law. She graduated with pro bono chords due to pro bono hours spent mainly at the Family Law Volunteer Clinic at the courthouse. She was a member of the Public Interest Law Society and Association for Women in the Law. During law school, she interned at Hanson & Payne, LLC, focusing on consumer bankruptcy and the State Public Defender's office, where she focused on criminal defense law. At Hanson & Payne, LLC, she volunteered her time at Legal Aid Society to help with their bankruptcy clients. After law school, she worked as an associate attorney at Hanson & Payne, LLC.


She joined Lagmann, Inc. in January of 2019 and currently focuses her practice on family law and consumer bankruptcies (Chapter 7). .



Attorney Matt Plummer


Attorney Plummer is a 2011 graduate of Marquette University Law School. His practice focuses on family law, creditor/debtor law, guardianship and mediation. While in law school, he was a Public Interest Law Society Fellow, and also served as an intern for the U.S. Trustee’s Office for the Eastern District of Wisconsin.


Attorney Plummer joined Lagmann in November 2017 and focuses his practice on Family, Elder, Creditor and Criminal Law.



Thor Heidrek Templin, Administrator


Our administrator is a native of Milwaukee's near south side and graduate of South Division High School.  Growing up bilingual with German and English in a Spanish-speaking neighborhood, he earned undergraduate and master's degrees in German and Scandinavian Studies from the University of Wisconsin - Madison.  After spending some years teaching German at UW-Madison and at Western Kentucky University (Bowling Green, KY), he moved back to Milwaukee and attended law school at Marquette University, where we represented Marquette at national and international mediation advocacy competitions, all the while concurrently working as a records clerk at the Wisconsin Department of Corrections and completing a graduate certificate in Dispute Resolution.  In addition to his law degree, he has a Master's degree in Dispute Resolution from Marquette University.  He serves as a mediator (including family law mediations with or without attorneys) and the administrator for the firm.