Embete | - Medlem av Representantenes hus i Alaska (4th Alaska State Legislature, Alaska State House district 8)
- medlem av Representantenes hus i Alaska (5th Alaska State Legislature, –1968)
- senator i USA (90th United States Congress, Alaska Class 2 senate seat, 1968–1969)
- senator i USA (91st United States Congress, Alaska Class 2 senate seat, 1969–1971)
- senator i USA (92nd United States Congress, Alaska Class 2 senate seat, 1971–1973)
- senator i USA (93rd United States Congress, Alaska Class 2 senate seat, 1973–1975)
- senator i USA (94th United States Congress, Alaska Class 2 senate seat, 1975–1977)
- senator i USA (95th United States Congress, Alaska Class 2 senate seat, 1977–1979)
- senator i USA (96th United States Congress, Alaska Class 2 senate seat, 1979–1981)
- senator i USA (97th United States Congress, Alaska Class 2 senate seat, 1981–1983)
- senator i USA (98th United States Congress, Alaska Class 2 senate seat, 1983–1985)
- senator i USA (99th United States Congress, Alaska Class 2 senate seat, 1985–1987)
- senator i USA (100th United States Congress, Alaska Class 2 senate seat, 1987–1989)
- senator i USA (101st United States Congress, Alaska Class 2 senate seat, 1989–1991)
- senator i USA (102nd United States Congress, Alaska Class 2 senate seat, 1991–1993)
- senator i USA (103rd United States Congress, Alaska Class 2 senate seat, 1993–1995)
- senator i USA (104. kongressperiode i USA, Alaska Class 2 senate seat, 1995–1997)
- senator i USA (105. kongressperiode i USA, Alaska Class 2 senate seat, 1997–1999)
- senator i USA (106. kongressperiode i USA, Alaska Class 2 senate seat, 1999–2001)
- senator i USA (108. kongressperiode i USA, Alaska Class 2 senate seat, 2003–2005)
- President pro tempore i USAs senat (2003–2007)
- senator i USA (109. kongressperiode i USA, Alaska Class 2 senate seat, 2005–2007)
- senator i USA (110. kongressperiode i USA, Alaska Class 2 senate seat, 2007–2009)
- ukjent (2007–2009)
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