Our Attorneys
Robert E. Potrzebowski, Jr.
Majority Shareholder/President
robp@kohnlaw.com
Rob Potrzebowski is the Majority Shareholder and President of the Kohn Law Firm S.C. He attended Marquette University and the University of Wisconsin-Milwaukee, where he received his Bachelor of Arts in Economics. Mr. Potrzebowski received his J.D., cum laude, from the University of Wisconsin Law School.
As a member of the National Association of Retail Collection Attorneys, Mr. Potrzebowski previously served on its Education and State Government Affairs committees. He was also a charter member of the National Association of Subrogation Professionals, as well as a founding member of the Wisconsin Creditor's Rights Association, having served on the latter association's original Board of Directors and currently serving as its Treasurer.
Mr. Potrzebowski has spoken before many local and national associations, including those referenced above, as well as the Wisconsin Government Finance Officers Association and the Paralegal Association of Wisconsin. He has also served as an instructor for Wisconsin's Municipal Clerks and Treasurers Institute.
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Matthew J. Richburg
Managing Shareholder
mattr@kohnlaw.com
Matt Richburg is the firm's Managing Shareholder. Mr. Richburg attended the University of Wisconsin-Whitewater, where he obtained a Bachelor of Science in Political Science and Public Relations. He received his J.D. from the Thomas M. Cooley Law School, and has been certified as a Creditor's Rights Specialist by the American Board of Certification since 2005.
Mr. Richburg is a member of the National Association of Retail Collection Attorneys, currently serving on its State Government Affairs Committee. He is the President of the Wisconsin Creditors' Rights Association and serves on its Board of Directors. Mr. Richburg has lectured on The Wisconsin Consumer Act and on various retail and commercial collection topics.
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David A. Ambrosh
Shareholder
davea@kohnlaw.com
Dave Ambrosh is a shareholder, handling complex retail and commercial matters for the firm, as well as appellate work. He is a graduate of Ripon College, where he earned a B.A. in Psychology. Mr. Ambrosh received his law degree from the Marquette University Law School.
Mr. Ambrosh has lectured on various debt collection issues. He is admitted to the U. S. District Court, in both the Eastern and Western Districts of Wisconsin, and is a member of the Commercial Law League of America.
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Jason D. Hermersmann
Shareholder
jasonh@kohnlaw.com
Jason Hermersmann is a shareholder whose practice is currently concentrated in the area of subrogation and other tort-based collection and litigation. He earned his undergraduate degree in Criminal Justice at the University of Wisconsin-Milwaukee and his J.D. at the Marquette University Law School.
Mr. Hermersmann is admitted to the U. S. District Court, in both the Eastern and Western Districts of Wisconsin. He is also a member of the National Association of Subrogation Professionals.
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Meghan P. MacKelly
Supervising Attorney, Post-Judgment
meghanm@kohnlaw.com
Meghan MacKelly is the supervising attorney of the firm's post-judgment practice group, which handles garnishments, supplemental hearings, judgment liens and other such matters. She attended Indiana University, where she received her Bachelor of Arts in Public Management. Mrs. MacKelly received her J.D. from the Marquette University Law School.
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Kevin T. White
Attorney
kevinw@kohnlaw.com
Kevin White’s practice areas include retail, municipal and commercial litigation. He attended the University of Wisconsin-Whitewater, receiving undergraduate degrees in Psychology and Spanish, and obtained his J.D. from the Thomas Cooley Law School, graduating cum laude. Before becoming an attorney, Mr. White worked as a legal assistant in the firm’s collection department.
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Joseph R. Johnson
Attorney
josephj@kohnlaw.com
Joe Johnson concentrates his practice in retail litigation. He received both his Bachelor of Science in History as well as his law degree from the University of Wisconsin. Mr. Johnson previously clerked for The Honorable Dennis P. Moroney, Circuit Court Judge for Milwaukee County.
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Jonathan J. Cattey
Attorney
jonc@kohnlaw.com
Jon Cattey concentrates his practice in retail litigation. He received his Bachelor of Arts in Political Science from the University of Michigan, and is a graduate of the Marquette University Law School.
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Adam R. Finkel
Attorney
adamf@kohnlaw.com
Adam Finkel concentrates his practice in the areas of commercial and retail litigation. He earned his Bachelor of Science in Political Science at the University of Wisconsin and his J.D. at the Marquette University Law School. Mr. Finkel previously prosecuted cases for the Ozaukee County District Attorney. Additionally, Adam is currently servings as a member of the Lawyer Referral and Information Service Committee of the State Bar of Wisconsin.
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Maria Lewis
Attorney
marias@kohnlaw.com
Maria Breu concentrates her practice in retail litigation. She is a graduate the University of Wisconsin-Green Bay, having received a Bachelor of Arts degree in Social Change & Development with an emphasis on Law & Justice Studies. Ms. Breu obtained her J.D. from the Hamline University School of Law.
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Elizabeth Schweiger
Attorney
elizabeths@kohnlaw.com
Elizabeth Schweiger concentrates her practice in post-judgment collection matters. She is a graduate of the University of Wisconsin-Milwaukee, having received a Bachelors degree in Biology. Ms. Schweiger obtained her J.D. from the Thomas M. Cooley Law School.
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Alexandria McCool
Attorney
alexandriam@kohnlaw.com
Alexandria McCool concentrates her practice in post-judgment collection matters. As an undergraduate, she attended the University of Wisconsin and obtained a Bachelor of Arts in Political Science and International Studies. Ms. McCool then completed her J.D. at the Marquette University Law School.
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Robert W. Kohn
Retired
Bob Kohn is the founder of the Kohn Law Firm S.C. He is retired from active practice in Wisconsin and currently serves as a mediator in California from his Santa Barbara office.
Mr. Kohn attended Marquette University and received his B.S. and J.D. degrees from the University of Wisconsin at Madison. He has been an active member of many local and national debt collection associations, including the National Association of Retail Collection Attorneys, where he served on that group's Board of Directors.
Mr. Kohn has been a contributor to numerous periodicals, has authored books on Wisconsin collection law and is a frequent lecturer on debt collection topics for various professional associations. In addition, he has lectured at the University of Wisconsin Law School and the Marquette University Dental School. He is also a mediator and arbitrator, as certified by the University of Wisconsin-Milwaukee.
The firm recognized his 50 years of practice in 2010.
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