Chadwick M. Elgersma

Acting United States Attorney

Chadwick M. Elgersma is the Acting United States Attorney for the Western District of Wisconsin. Mr. Elgersma was raised in Waupun, Wisconsin. He graduated from the University of Wisconsin-Eau Claire with a Bachelor of Science in accounting. He earned his Juris Doctor from DePaul University College of Law in 2005. In 2006, Mr. Elgersma joined the FBI as a Special Agent. In 2017, he joined the U.S. Attorney’s Office as a Special Assistant U.S. Attorney for the Western District of Wisconsin and was sworn in as an Assistant U.S. Attorney in 2019. He became Acting U.S. Attorney on June 28, 2025.  

As an Assistant U.S. Attorney, Mr. Elgersma prosecuted a myriad of criminal matters including interstate drug conspiracies, firearms offenses, Hobbs Act robberies, child exploitation cases, complex white-collar fraud, government program fraud, tax evasion, arson, and immigration-related offenses. 
As U.S. Attorney, Mr. Elgersma will be responsible for overseeing federal criminal prosecutions and civil litigation involving the United States in the Western District of Wisconsin. The Western District of Wisconsin encompasses the Western 44 counties in Wisconsin.

When he was appointed Acting U.S. Attorney, Mr. Elgersma commented, “I am grateful for the opportunity to serve the people of Wisconsin in this role. For however long I serve as United States Attorney, my primary objective will be to keep Wisconsin residents safe through the vigorous enforcement of Federal law. Under my leadership, the United States Attorney’s Office will do its part to protect national security and to stem the unlawful flow of people and drugs into our country. We will also not lose sight of our responsibility to combat financial and violent crime, gang activity, child predators, and to zealously advocate on behalf of the United States’ civil interests.”