Brian Schatz is the senior United States Senator from Hawaii. He was appointed to the office on December 26, 2012, by Governor Neil Abercrombie, following the death of former senator Daniel Inouye. The state's junior senator is Mazie Hirono, the former representative from the second congressional district. Hirono is the first female Asian American senator and the first Buddhist senator. Hawaii incurred the biggest seniority shift between the 112th and 113th Congresses. The state went from a delegation consisting of senators who were first and twenty-first in seniority[e] to their respective replacements, relative newcomers Schatz and Hirono.
Federal officials in Hawaii are based at the Prince Kūhiō Federal Building near the Aloha Tower and Honolulu Harbor. The Federal Bureau of Investigation, Internal Revenue Service and the Secret Service maintain their offices there; the building is also the site of the federal District Court for the District of Hawaii and the United States Attorney for the District of Hawaii