William Weld served as Governor of Massachusetts from 1991-1997. He identifies as a Republican but identified as a Libertarian from 2016-2019.
2008
–Endorsed Mitt Romney (R) for President (lost primary)
–Endorsed Barack Obama (D) for President (won)
2010
–Endorsed Scott Brown (R) for Senator of Massachusetts (won)
2012
–Endorsed Mitt Romney (R) for President (lost general election)
–Endorsed Scott Brown (R) for Senator of Massachusetts (lost general election)
–Endorsed Tommy Thompson (R) for Senator of Wisconsin (lost general election)
2013
–Endorsed Gabriel Gomez (R) for Senator of Massachusetts (lost general election)
2016
–Endorsed Jeb Bush (R) for President (lost primary)
–Endorsed John Kasich (R) for President (lost primary)
–Endorsed Gary Johnson (L) for President (lost general election)
–Endorsed Lisa Murkowski (R) for Senator of Alaska (won)
–Endorsed Paul Stanton (L) for Senator of Florida (lost general election)
2018
–Endorsed Mark Tippetts (L) for Governor of Texas (lost general election)
–Endorsed Phil Anderson (L) for Governor of Wisconsin (lost general election)
–Endorsed Kerry Douglas McKennon (L) for Lieutenant Governor of Texas (lost general election)
–Endorsed Rob Hodgkinson (L) for Secretary of State of Kansas (lost general election)
–Endorsed Daniel Fishman (L) for Auditor of Massachusetts (lost general election)
–Endorsed Beth Lindstrom (R) for Senator of Massachusetts (lost primary)
–Endorsed Gary Johnson (L) for Senator of New Mexico (lost general election)
–Endorsed Dale Kerns (L) for Senator of Pennsylvania (lost general election)
–Endorsed David Lashar (L) for Representative of Maryland, 3rd District (lost general election)
2020
–Endorsed Joe Biden (D) for President (won)
–Endorsed Joe Kennedy, III (D) for Senator of Massachusetts (lost primary)
2024
–Endorsed Kamala Harris (D) for President (lost general election)
–Endorsed Larry Hogan (R) for Senator of Maryland (lost general election)
–Endorsed John Deaton (R) for Senator of Massachusetts (lost general election)