Pomrenze attended and held degrees from the Illinois Institute of Technology, the University of Chicago, and the Spertus College of Jewish Studies.
[1] In December 1945, Koppel Pinson, the Joint Distribution Committee's representative in Germany, recommended that Pomrenze be the first head of the Offenbach Archival Depot (OAD).
Lieutenant Leslie I. Poste of the Monuments, Fine Arts, and Archives program also recommended Pomeranze for the job, as did Judge Simon H. Rifkind, advisor on Jewish Affairs to General Dwight Eisenhower.
Among his duties in the Adjutant General's office of the U.S. Army was the administration of and restitution to West Germany of German records captured during World War II.
He worked with dozens of organizations, such as the Hebrew Immigrant Aid Society, the National Jewish Welfare Board, and the UJA-Federation of New York.