Summers had canceled his public commitments amid the fallout of the emails being made public and earlier Wednesday severed ties with OpenAI, the maker of ChatGPT. Harvard had reopened an investigation into connections between him and Epstein, but Summers had said he would continue teaching economics classes at the school.

That changed Wednesday evening with the news that he will step away from teaching classes as well as his position as director of the Mossavar-Rahmani Center for Business and Government with the Harvard Kennedy School.

“Mr. Summers has decided it’s in the best interest of the Center for him to go on leave from his role as Director as Harvard undertakes its review,” Summers spokesperson Steven Goldberg said, adding that his co-teachers would finish the classes.

Summers has not been scheduled to teach next semester, according to Goldberg.

A Harvard spokesperson confirmed to The Associated Press that Summers had let the university know about his decision. Summers decision to go on leave was first reported by The Harvard Crimson.

Harvard did not mention Summers by name in its decision to restart an investigation, but the move follows the release of emails showing that he was friendly with Epstein long after the financier pleaded guilty to soliciting prostitution from an underage girl in 2008.

By Wednesday, the once highly regarded economics expert had been facing increased scrutiny over choosing to stay in the teaching role. Some students even filmed his appearance in shock as he appeared before a class of undergraduates on Tuesday while stressing he thought it was important to continue teaching.

Massachusetts Sen. Elizabeth Warren, a Democrat, said in a social media post on Wednesday night that Summers “cozied up to the rich and powerful — including a convicted sex offender. He cannot be trusted in positions of influence.”

Messages appear to seek advice about romantic relationship

The emails include messages in which Summers appeared to be getting advice from Epstein about pursuing a romantic relationship with someone who viewed him as an “economic mentor.”

“im a pretty good wing man , no?” Epstein wrote on Nov. 30, 2018.

The next day, Summers told Epstein he had texted the woman, telling her he “had something brief to say to her.”

“Am I thanking her or being sorry re my being married. I think the former,” he wrote.

Summers’ wife, Elisa New, also emailed Epstein multiple times, including a 2015 message in which she thanked him for arranging financial support for a poetry project she directs. The gift he arranged “changed everything for me,” she wrote.

“It really means a lot to me, all financial help aside, Jeffrey, that you are rooting for me and thinking about me,” she wrote.

New, an English professor emerita at Harvard, did not respond to an email seeking comment Wednesday.

An earlier review completed in 2020 found that Epstein visited Harvard’s campus more than 40 times after his 2008 sex-crimes conviction and was given his own office and unfettered access to a research center he helped establish. The professor who provided the office was later barred from starting new research or advising students for at least two years.

Summers appears before Harvard class

On Tuesday, Summers appeared before his class at Harvard, where he teaches “The Political Economy of Globalization” to undergraduates with Robert Lawrence, a professor with the Harvard Kennedy School.

“Some of you will have seen my statement of regret expressing my shame with respect to what I did in communication with Mr. Epstein and that I’ve said that I’m going to step back from public activities for a while. But I think it’s very important to fulfill my teaching obligations,” he said.

Summers’ remarks were captured on video by several students, but no one appeared to publicly respond to his comments.

Epstein, who authorities said died by suicide in 2019, was a convicted sex offender infamous for his connections to wealthy and powerful people, making him a fixture of outrage and conspiracy theories about wrongdoing among American elites.

Summers served as treasury secretary from 1999 to 2001 under President Bill Clinton. He was Harvard’s president for five years from 2001 to 2006. When asked about the emails last week, Summers issued a statement saying he has “great regrets in my life” and that his association with Epstein was a “major error in judgement.”

Other organizations that confirmed the end of their affiliations with Summers included the Center for American Progress, the Center for Global Development and the Budget Lab at Yale University. Bloomberg TV said Summers’ withdrawal from public commitments included his role as a paid contributor, and the New York Times said it will not renew his contract as a contributing opinion writer.

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Associated Press journalist Hallie Golden contributed to this report.