Donald Emil Ziegler
Donald Emil Ziegler (born 1936) is a former United States federal judge.
Born in Pittsburgh, Pennsylvania, Ziegler received a B.A. from Duquesne University in 1958 and an LL.B. from Georgetown University Law Center in 1961. He was in private practice in Pittsburgh, Pennsylvania from 1962 to 1974. He was a judge on the Court of Common Pleas, Allegheny County, Pennsylvania from 1974 to 1978.
On March 22, 1978, Ziegler was nominated by President Jimmy Carter to a seat on the United States District Court for the Western District of Pennsylvania vacated by Rabe F. Marsh. Ziegler was confirmed by the United States Senate on May 1, 1978, and received his commission the following day. He served as chief judge from 1994 to 2001. He assumed senior status on October 1, 2001, serving in that capacity until his retirement from the bench on May 31, 2003.