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Peter Bernegger is an election investigator based in New London, Wisconsin. He founded the Wisconsin Center for Election Justice and serves as president of Election Watch, Inc., organizations focused on voter roll accuracy and election integrity.
Since 2020, Bernegger has conducted reviews of election data and voter rolls across multiple states. His work focuses on identifying voter registration irregularities and pursuing litigation to compel election officials to maintain accurate voter rolls as required by the National Voter Registration Act (NVRA).
In Colorado, Bernegger has filed a federal lawsuit against the Secretary of State challenging voter roll maintenance practices. His research claims to have identified hundreds of thousands of problematic voter registrations in the state, including voters registered at invalid addresses or with incomplete information.
Bernegger has appeared on the Kim Monson Show since 2024, discussing his voter roll analysis methodology, litigation against Colorado election officials, and broader election integrity concerns.