OpenAI Appoints Ex-Twitch Boss as Interim CEO; Altman Joins Microsoft 

The OpenAI logo is seen in this illustration taken, February 3, 2023. (Reuters)
The OpenAI logo is seen in this illustration taken, February 3, 2023. (Reuters)
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OpenAI Appoints Ex-Twitch Boss as Interim CEO; Altman Joins Microsoft 

The OpenAI logo is seen in this illustration taken, February 3, 2023. (Reuters)
The OpenAI logo is seen in this illustration taken, February 3, 2023. (Reuters)

OpenAI has appointed ex-Twitch boss Emmett Shear to lead the startup, replacing Sam Altman who will join the company's top backer Microsoft to lead a new advanced AI research team, the CEO of the software giant said late on Sunday.

"We look forward to getting to know Emmett Shear and OAI's new leadership team and working with them," Microsoft CEO Satya Nadella posted on social media platform X. He added Microsoft remains committed to its partnership with OpenAI.

Shear was named interim CEO, a person briefed on the appointment told Reuters.

The decision not to reinstate Altman as CEO of the company behind ChatGPT has confounded efforts by investors and employees of the firm to steady the ship by bringing him back after the board fired him on Friday, a surprise move that rocked the tech world.

They fear his abrupt sacking could lead to a mass exodus of talent and impact an upcoming $86 billion share sale.

Nadella said Altman would join Microsoft to "lead a new advanced AI research team".

Reuters earlier reported that Altman was discussing a possible return to OpenAI and changing the company's governance structure, even as he considered launching a new AI venture.

Altman and Greg Brockman, who stepped down from the OpenAI board as chairman as part of the management shuffle, joined executives at the company's headquarters on Sunday after then interim CEO Mira Murati told staff she invited Altman, The Information earlier reported on Sunday.

Nadella said Brockman would also join the software company.

Altman posted an image of himself on X on Sunday wearing an OpenAI guest badge with the caption: "first and last time i ever wear one of these." In a separate post on X, he reshared Nadella's message with a comment "the mission continues".

Shear co-founded Twitch and had stepped down from the Amazon.com-owned live video streaming platform earlier this year.

Brockman quit over Altman's firing on Friday. Their departures blindsided many employees who discovered the abrupt management change from an internal message and the company's public blog.

Some researchers including Szymon Sidor have also left the company following the CEO change, two people familiar with the matter said. Sidor confirmed quitting.

The Information first reported the appointment of Shear as interim CEO.

Shortly after the internal announcement of Shear's appointment, distraught employees "streamed out" of OpenAI headquarters in San Francisco, The Information reported.

Dozens of staffers internally announced they were quitting the company on Sunday night, it said, citing a person with knowledge of the situation.

OpenAI kicked off the generative AI craze a year ago by releasing ChatGPT. The chatbot became one of the world's fastest-growing software applications.



Impostor Uses AI to Impersonate Rubio and Contact Foreign and US Officials

Secretary of State Marco Rubio attends a signing ceremony for a peace agreement between Rwanda and the Democratic Republic of the Congo at the State Department, June 27, 2025, in Washington. (AP Photo/Mark Schiefelbein, File)
Secretary of State Marco Rubio attends a signing ceremony for a peace agreement between Rwanda and the Democratic Republic of the Congo at the State Department, June 27, 2025, in Washington. (AP Photo/Mark Schiefelbein, File)
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Impostor Uses AI to Impersonate Rubio and Contact Foreign and US Officials

Secretary of State Marco Rubio attends a signing ceremony for a peace agreement between Rwanda and the Democratic Republic of the Congo at the State Department, June 27, 2025, in Washington. (AP Photo/Mark Schiefelbein, File)
Secretary of State Marco Rubio attends a signing ceremony for a peace agreement between Rwanda and the Democratic Republic of the Congo at the State Department, June 27, 2025, in Washington. (AP Photo/Mark Schiefelbein, File)

The State Department is warning US diplomats of attempts to impersonate Secretary of State Marco Rubio and possibly other officials using technology driven by artificial intelligence, according to two senior officials and a cable sent last week to all embassies and consulates.

The warning came after the department discovered that an impostor posing as Rubio had attempted to reach out to at least three foreign ministers, a US senator and a governor, according to the July 3 cable, which was first reported by The Washington Post.

The recipients of the scam messages, which were sent by text, Signal and voice mail, were not identified in the cable, a copy of which was shared with The Associated Press.

“The State Department is aware of this incident and is currently investigating the matter,” it said. “The department takes seriously its responsibility to safeguard its information and continuously takes steps to improve the department’s cybersecurity posture to prevent future incidents.”

It declined to comment further due to “security reasons” and the ongoing investigation.

One of the officials said the hoaxes had been unsuccessful and “not very sophisticated.” Nonetheless, the second official said the department deemed it “prudent” to advise all employees and foreign governments, particularly as efforts by foreign actors to compromise information security increase.

The officials were not authorized to discuss the matter publicly and spoke on condition of anonymity.

“There is no direct cyber threat to the department from this campaign, but information shared with a third party could be exposed if targeted individuals are compromised,” the cable said.

The FBI warned in a public service announcement this past spring of a “malicious text and voice messaging campaign” in which unidentified “malicious actors” have been impersonating senior US government officials.

The scheme, according to the FBI, has relied on text messages and AI-generated voice messages that purport to come from a senior US official and that aim to dupe other government officials as well as the victim’s associates and contacts.

It is the second high-level Trump administration official to face such AI-driven impersonation.

The government was investigating after elected officials, business executives and other prominent figures received messages from someone impersonating President Donald Trump’s chief of staff, Susie Wiles. Text messages and phone calls went out from someone who seemed to have gained access to the contacts in Wiles’ personal cellphone, The Wall Street Journal reported in May.

Some of those who received calls heard a voice that sounded like Wiles, which may have been generated by artificial intelligence, according to the newspaper. The messages and calls were not coming from Wiles’ number, the report said.