(CNN) - One of the top women at Google issued a response to a controversial memo swirling around her company.
The internal memo written by an employee said gender bias exists because women are psychologically unsuited for technology jobs and are more neurotic than men.
Susan Wojcicki, CEO of Google's YouTube division, wrote her response in a column for Fortune.
In it, she criticized the memo and its argument that "biological differences" explain why so few women hold tech and leadership jobs in Silicon Valley.
she also outlined discrimination she continues to experience as a woman in tech, despite her status.
A source confirmed to CNN that James Damore, the Google software engineer who penned the memo, has been fired by the company.
While neither Google nor Wojcicki confirmed the firing, she appeared to defend the action in her column.
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