A leading law firm in debt collection and litigation.
Dobberstein Law Firm, LLC
Established in 2006, Dobberstein Law Firm focuses on collection litigation and enforcement of creditor’s rights in Wisconsin, Iowa, and Michigan.

Areas of Representation
Dobberstein Law Firm, LLC represents clients in a number of areas:
- Retail Collections
- Installment Loan Collections
- Commercial Litigation
- Medical Collections
- Utility Collections
- Telecommunications Collections
- Credit Union Collections
- Student Loan Collections
- Credit Card Collections
- Purchased Debt Collections
- Insurance Subrogation
- Municipal Collections
If you are a creditor, account forwarder, collection agency, or law firm looking for legal assistance in Wisconsin or Iowa, we would appreciate the opportunity to speak with you. Complete the contact form at the bottom of this page; we will be in touch with you shortly.
Book Appointment
Collection Services
At Dobberstein Law Firm, we offer a broad range of services related to the collection of your past due accounts. These services include:
Pre-Litigation Collection Services
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- Initial Demand Letter
- Follow Up Letters
- Phone Calls
- Setting up and monitoring payment plans
- Skip-tracing for location information and assets
Litigation
Enforcement of Post-Judgment Remedies
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- Wage Garnishments
- Bank Account Garnishments
- Real Property Executions
- Non-Earnings Garnishments
- Supplemental Exams
Attorneys
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J. Adam Dobberstein
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Marc J. Dobberstein
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Meghan P. MacKelly
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Ashley M. Sanfilippo
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Richard E. Stueckroth
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Cynthia A. Duppler
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Jillian E. Caggiano
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Emma N. Schaefer
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Michael F. G. Hickey
Attorney J. Adam Dobberstein
Education:
- Marquette University Law School, Juris Doctor (J.D.), 2006
- Evangel University, Bachelor of Science (B.S.), 1999
Admissions:
- Wisconsin
- Iowa
Attorney Marc J. Dobberstein
Education:
- Marquette University Law School, Juris Doctor (J.D.), 2007
- Evangel University, Bachelor of Science (B.S.), 2003
- Evangel University, Bachelor of Business Administration (B.B.A.), 2004
Admissions:
- Wisconsin
Attorney Meghan P. MacKelly
Education:
- Marquette University Law School, Juris Doctor (J.D.), 2001
- Indiana University, Bachelor of Science (B.S.), 1998
Admissions:
- Iowa
- Michigan
- Wisconsin
- United States District Court, Eastern District of Wisconsin
- Lac Courte Oreilles Tribal Court
- St. Croix Tribal Court
- Ho Chunk Nation Tribal Court
- Lac De Flambeau Bank of Lake Superior Chippewa Indians
- Menominee Indian Tribal Court
- Oneida Tribal Court
- Sault Ste. Marie Chippewa Tribal Court
Attorney Ashley M. Sanfilippo
Education:
- Arizona Summit Law School, Juris Doctor (J.D.), 2012
- Marquette University, Bachelor of Arts(B.A.), 2010
Admissions:
- Iowa
- Michigan
- Wisconsin
- United States District Court, Eastern District of Wisconsin
- United States District Court, Western District of Wisconsin
Attorney Richard E. Stueckroth
Education:
- Marquette University Law School, Juris Doctor (J.D.), 2018
- University of Wisconsin-Milwaukee, Bachelor of Science (B.S.), 2014
Admissions:
- Wisconsin
- United States District Court, Eastern District of Wisconsin
- Oneida Judiciary Oneida Nation in Wisconsin
- Menominee Tribal Court of Wisconsin
- Forest County Potawatomi Tribal Court
- Michigan
Attorney Cynthia A. Duppler
Education:
- Belmont University College of Law, Juris Doctor (J.D.), 2019
- Oglethorpe University, Bachelor of Science (B.S.), 2013
Admissions:
- Wisconsin
- Tennessee
Attorney Jillian E. Caggiano
Education:
- Marquette University Law School, Juris Doctor (J.D.) 2018
- Marquette University, Master in Business Administration (MBA) 2018
- The Ohio State University, Bachelor of Science (BS) 2015
Admissions:
- Wisconsin
- United States District Court, Eastern District of Wisconsin
- United States District Court, Western District of Wisconsin
Attorney Emma N. Schaefer
Education:
- Marquette University Law School, Juris Doctor (J.D.), 2021
- University of Wisconsin-Whitewater, Bachelor of Science (B.S.), 2018
Admissions:
- Wisconsin
Attorney Michael F. G. Hickey
Education:
- Marquette University Law School, Juris Doctor (J.D.), 2021
- Marquette University, Bachelor of Science (B.S.), Finance
Admissions:
- Wisconsin

Affiliations
Dobberstein Law Firm, LLC and its attorney partners are affiliated with the following organizations:
- State Bar of Wisconsin
- National Creditors Bar Association (formerly NARCA)
- American Collectors Association (ACA)
- Receivables Management Association International (RMA)
- Commercial Law League of America
- The National List of Attorneys
- The Forwarders List of Attorneys
- The General Bar
- American Lawyers Quarterly
RMA International Certification Information
RMA International Certified Company:
Dobberstein Law Firm, LLC
RMA Certification Number:
C1605-1090
225 S. Executive Dr., Suite 201
Brookfield, WI 53005
P: (262) 641-3715
For Complaints Contact:
Shaun campbell
Title:
Chief Compliance Officer
RMA Certification Number:
P2301-1502
225 S. Executive Dr., Suite 201
Brookfield, WI 53005
P: (262) 641-3715
E: jad@dlflaw.com
Dobberstein Law Firm, LLC
P: (262) 641-3715
F: (262) 641-3714
LinkedIn: Dobberstein Law Firm LLC | LinkedIn