William C. Griesbach is a United States District Judge for the United States District Court for the Eastern District of Wisconsin. He was appointed in 2002, by President George W. Bush. Prior to that, he served for seven years as a Wisconsin circuit court judge in Brown County. He was confirmed by the Senate on April 25, 2002. He served as a Chief Judge from 2012 until 2019. Judge Griesbach assumed senior status on December 31, 2019.
Judge Griesbach is a native of Milwaukee, Wisconsin. He is a graduate of Marquette University and he received his J.D from Marquette University Law School. After he graduated from law school, he served as a law clerk to Judge Bruce F. Beilfuss of the Wisconsin Supreme Court. After completion of his clerkship he was a staff attorney of U.S Court of Appeals for the Seventh Circuit from 1980 to 1982.