Joshua Koshiba

Joshua Koshiba (born December 10, 1943) is a member of the Senate of Palau. After his re-election in 2004, he became the longest-serving member of that body in the history of Palau.

Koshiba was first elected to the Palauan Senate in 1980. In 1984, he became chairman of the Senate Committee on Foreign Affairs. In 1986, he became Senate President, a post which he held until 1991. He again chaired the Senate Committee on Foreign Affairs from 1992 to 1996; in 1996, he was appointed chairman of the Senate Committee on Education. He headed the Senate Committee on Health and Education from 2000 to 2008. In 2008, he announced his intentions to run for President; however, he withdrew his bid following defeat in the primary race.