William H. Yohn, Jr.

William H. Yohn, Jr. is a judge on the United States District Court for the Eastern District of Pennsylvania. Born in 1935 in Pottstown, Pennsylvania, Judge Yohn graduated from Princeton University in 1957 and received his J.D.. from the Yale Law School in 1960. Judge Yohn served in the United States Marine Corps from 1960 to 1961, and continued in the reserves until 1965. He was in private practice in Pottstown from 1961 to 1981. During that time, Judge Yohn served as an assistant district attorney (1962-1965) and as a member of the Pennsylvania House of Representatives from 1968 to 1980. In 1981 he was elected as a judge on the court of common pleas for Montgomery County, a position he held until 1991, when was appointed by President George H. W. Bush to the Eastern District. He assumed senior status in 2003.