After his government service in the Ford administration, he worked in private law practice as managing partner of the Washington office of Vorys, Sater, Seymour and Pease, an Ohio law firm.
Sweden's first copper mine was built at the location in 1624, influenced by its proximity to the copper mountain at Falun with its tannery that had been located in Säter a few years earlier.
Sater was a federal judge on the United States District Court for the Southern District of Ohio.
The last remaining living remnant of Old East Frisian is an Ems Frisian dialect called Sater Frisian or Saterlandic (its native name being Seeltersk), which is spoken in the Saterland area in the former State of Oldenburg, to the south of East Frisia proper.