[3][4][5] Prior to joining Google, Porat was the Executive Vice President & Chief Financial Officer of Morgan Stanley from January 2010 to May 2015.

[14] Porat moved at a young age to Cambridge, Massachusetts, where her father was a research fellow in the physics department at Harvard University.

[21] During the financial crisis, Porat led the Morgan Stanley team advising the United States Department of the Treasury regarding Fannie Mae and Freddie Mac, and the New York Federal Reserve Bank with respect to AIG.

[27] However, it was reported later by Bloomberg News and The New York Times that Porat had contacted White House officials to withdraw her name from consideration because of improving conditions at Morgan Stanley and the acrimonious confirmation process inflicted upon then Treasury Secretary-nominee Jack Lew.

[34] Porat spoke at the Fortune Most Powerful Women Summit in Dana Point, California, on October 19, 2016, in her capacity as CFO of Alphabet Inc. and Google.

[37] In July 2023, Porat was promoted to the newly created role of president and chief investment officer of Alphabet and Google starting from September 1, 2023.

Her responsibilities include overseeing the company's "Other Bets" ventures, its private equity portfolios, and its investments in real estate, infrastructure and data centers.

[48] In 2011, Porat expressed her support for increased taxes on the wealthy and declared on the topic of significant spending decreases that "we cannot cut our way to greatness".