Meredith Whittaker, who co-signed the email, said her role had also been “changed dramatically”.
In a separate controversy at the tech company, Google set up an external AI ethics council this spring and invited Kay Cole James to sit on the panel.
Ms James is the president of the Heritage Foundation, a conservative think tank, and an outspoken opponent of equal-rights laws for LGBT people.
More than 2,000 employees signed a statement in protest and Ms Whittaker tweeted publicly that Google’s inclusion of Ms James was “appalling”.
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