---
title: "William D. Gerdes | KnowJudges"
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# William D. Gerdes

U.S. District Court for the District of South Dakota · Magistrate

## Profile

- Court: U.S. District Court for the District of South Dakota
- State: South Dakota
- Role: Magistrate
- Service status: former
- Last verified: 2026-10-02

## Biography

### Professional career

- Appointed a US magistrate judge for the District of South Dakota on February 27, 2009

### Education


### Additional information

- Gerdes has held the role of a nonpartisan federal magistrate judge since February 27, 2009.
- U.S. Magistrate Judge on the United States District Court for the District of South Dakota, appointed in 2009 and serving until his term expires in 2025
- He obtained a University of South Dakota BS in 1977 and JD in 1979, was admitted to the South Dakota bar in 1980 and federal district court in 1982, and earlier practiced in Aberdeen.
- Reported practice areas include family law, criminal and DUI defense, juvenile law, probate and trusts.

## Sources

- [Official profile](https://www.uscourts.gov/about-federal-courts/about-federal-judges/judicial-milestones/william-d-gerdes)
- [Official roster](https://www.uscourts.gov/about-federal-courts/about-federal-judges/judicial-milestones/william-d-gerdes)
- [U.S. District Court for the District of South Dakota current judicial profile](https://www.courtlistener.com/person/9540/william-d-gerdes/)
- [Judges' Info](https://www.sdd.uscourts.gov/node/40)
- [Approved Mediators](https://ujs.sd.gov/programs-services/mediators/)
- [Judges' Info](https://www.sdd.uscourts.gov/node/40)
- [Approved Mediators](https://ujs.sd.gov/programs-services/mediators/)
- [CourtListener judicial biographical directory](https://www.courtlistener.com/person/9540/william-d-gerdes/)
- [Judges' Info](https://www.sdd.uscourts.gov/node/40)
- [Approved Mediators](https://ujs.sd.gov/programs-services/mediators/)
- [judicialfinder.com](https://judicialfinder.com/judges/william-gerdes)
- [ballotpedia.org](https://ballotpedia.org/William_D._Gerdes)
- [www.martindale.com](https://www.martindale.com/attorney/william-d-gerdes-1594179/)
- [www.uscourts.gov](https://www.uscourts.gov/about-federal-courts/about-federal-judges/judicial-milestones/william-d-gerdes)
- [Judges' Info](https://www.sdd.uscourts.gov/node/40)
- [Approved Mediators](https://ujs.sd.gov/programs-services/mediators/)

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