- M.S. in L.S., Case Western Reserve University, 1976
- J.D., St. Mary's University, 1975
- B.A., St. Edward's University, 1972
Unterborn was a certified law librarian since 1980. This certification is a formal recognition that a person has attained a standard of competence in law librarianship recognized by the American Association of Law Libraries. He was responsible for cataloging for the Sarita Kenedy East Law Library, assisting with collection development and performing reference duties. He also served as the INNOPAC Administrator for the Law Library.