History / Offices
Secretary of Homeland Security
16 people have held this office since Jan 24, 2003. Now: Markwayne Mullin R.
Holders
168 R · 4 D · 2 I · 2 U
Longest tenure
4.6 yearsJanet Napolitano
Current
7 monthsMarkwayne Mullin, since Mar 31, 2026
history/office/secretary-of-homeland-securityEvery holder, newest first+16
Markwayne Mullin R
Mar 31, 2026 – present · 7 months · appointed by Donald Trump
Kristi Noem R
Jan 25, 2025 – Mar 24, 2026 · 14 months · appointed by Donald Trump
Alejandro Mayorkas D
Feb 2, 2021 – Jan 20, 2025 · 4 years · appointed by Joe Biden
Kirstjen Nielsen R
Dec 6, 2017 – Apr 5, 2019 · 16 months · appointed by Donald Trump
John F. Kelly R
Jan 20, 2017 – Jul 31, 2017 · 6 months · appointed by Donald Trump
Jeh C. Johnson D
Dec 23, 2013 – Jan 20, 2017 · 3.1 years · appointed by Barack Obama
Janet Napolitano D
Jan 21, 2009 – Sep 6, 2013 · 4.6 years · appointed by Barack Obama
Michael Chertoff R
Feb 15, 2005 – Jan 21, 2009 · 3.9 years · appointed by George W. Bush
Tom Ridge R
Jan 24, 2003 – Feb 1, 2005 · 2 years · appointed by George W. Bush
Dates are from Wikidata, which has gaps for some historical offices. Consecutive terms of one person are merged.