Dierking served as Senator in the Guam Legislature for 5 consecutive terms, from 1985 to 1995,[2][1] Herminia Duenas Dierking was born in Hagatna in 1939 to Jose Cruz Duenas and Maria Pangelinan Guzman.
[1] Herminia grew up during the occupation of Guam by Japanese Imperial Forces during World War II and accompanied her mother and grandmother to Manenggon concentration camp toward the end of the occupation.
[1] Herminia Dierking worked at the University of Guam for thirteen years, eventually becoming the Chairperson of the Accounting Department at the College of Business and Public Administration.
[1] In 1983 Dierking served as Director of the Bureau of Budget Management and Research and Chairperson of the Fiscal Policy Committee of the Government of Guam.
[1] Dierking was first elected to the Guam Legislature in 1984 and remained in office 5 legislative terms.