Whitman made the comment Friday at a conference hosted by previous Republican nominee Mitt Romney, while she challenged U.S. Speaker of the House of Representatives Paul Ryan on his endorsement of Trump, the Washington Post reported on Saturday.
Two participants at the off-the-record session in Park City, Utah confirmed Whitman’s language to Reuters. Whitman could not immediately be reached for comment.
A billionaire and former supporter of failed candidate New Jersey Governor Chris Christie, Whitman has been actively working to stop Trump’s nomination, including fundraising for an anti-Trump Super PAC.
In February, the technology CEO called Trump “unfit” to be president. Since then, Trump has become the presumptive Republican nominee and is likely to run against Democratic candidate Hillary Clinton in the Nov. 8 election.
Hewlett Packard Enterprise Co chief executive and Republican donor Meg Whitman reiterated her opposition to Donald Trump as the party’s presidential nominee and compared him to fascist leaders Adolf Hitler and Benito Mussolini, according to media and two sources.