Sebastian Herrera
@sebasaherrera.bsky.social
Wall Street Journal technology reporter focused on Microsoft, AI and cloud computing. Tip? Reach me on Signal @ Seb.39 or [email protected].
WSJ tip line here: https://www.wsj.com/tips
WSJ tip line here: https://www.wsj.com/tips
Microsoft is building out giant data centers among the most advanced in the world as it rushes to meet demand for AI computing power www.wsj.com/tech/ai/insi... via @WSJ
Exclusive | Inside Microsoft’s New AI ‘Super Factory’
The tech giant is building out huge data centers among the most advanced in the world as it rushes to meet demand for AI computing power.
www.wsj.com
November 12, 2025 at 4:33 PM
Microsoft is building out giant data centers among the most advanced in the world as it rushes to meet demand for AI computing power www.wsj.com/tech/ai/insi... via @WSJ
Microsoft AI Chief Executive Mustafa Suleyman offers a look at Microsoft’s plans to develop AI self-sufficiency from OpenAI www.wsj.com/tech/ai/micr... via @WSJ
Microsoft Lays Out Ambitious AI Vision, Free From OpenAI
The tech giant forms a team led by Microsoft AI chief Mustafa Suleyman to build top artificial-intelligence systems and distance itself from its longtime partner.
www.wsj.com
November 6, 2025 at 2:22 PM
Microsoft AI Chief Executive Mustafa Suleyman offers a look at Microsoft’s plans to develop AI self-sufficiency from OpenAI www.wsj.com/tech/ai/micr... via @WSJ
Microsoft is seeing more demand for its cloud computing and AI services than it can keep up with, a challenge that is supercharging the company’s income www.wsj.com/tech/ai/micr... via @WSJ
Microsoft to Double Data Center Footprint in Two Years
The company is seeing more demand for its cloud computing and AI services than it can keep up with, a challenge that is supercharging profits.
www.wsj.com
October 29, 2025 at 10:54 PM
Microsoft is seeing more demand for its cloud computing and AI services than it can keep up with, a challenge that is supercharging the company’s income www.wsj.com/tech/ai/micr... via @WSJ
NEW: OpenAI’s for-profit arm finalized its conversion into a public-benefit corporation and reached a deal with Microsoft that will see the tech giant take a 27% stake in the AI startup www.wsj.com/tech/ai/open... via @WSJ
OpenAI Converts to Public-Benefit Corporation With Microsoft Taking 27% Stake
OpenAI’s for-profit arm finalized its conversion into a public-benefit corporation and reached a deal with Microsoft that will see the tech giant take a 27% stake.
www.wsj.com
October 28, 2025 at 3:26 PM
NEW: OpenAI’s for-profit arm finalized its conversion into a public-benefit corporation and reached a deal with Microsoft that will see the tech giant take a 27% stake in the AI startup www.wsj.com/tech/ai/open... via @WSJ
NEW: President Trump was ready to send troops into San Francisco. The city’s business leaders needed a way to talk him out of it—and they found it. www.wsj.com/politics/pol... via @WSJ
Exclusive | Inside the Tech CEO Campaign to Stop Trump From Sending Troops to San Francisco
Sam Altman, Jensen Huang and Marc Benioff conferred with Daniel Lurie, the city’s mayor, on how to persuade the president not to deploy the National Guard.
www.wsj.com
October 24, 2025 at 9:24 PM
NEW: President Trump was ready to send troops into San Francisco. The city’s business leaders needed a way to talk him out of it—and they found it. www.wsj.com/politics/pol... via @WSJ
Microsoft makes our scoop on the partnership with Harvard Health official: www.microsoft.com/en-us/micros...
Human-centered AI | Microsoft Copilot Blog
Today, we’re dropping the Copilot Fall Release, a big step forward in making AI more personal, useful, and human-centered. There’s a lot of noise around AI. Headlines, hype, fear. At Microsoft AI...
www.microsoft.com
October 23, 2025 at 4:10 PM
Microsoft makes our scoop on the partnership with Harvard Health official: www.microsoft.com/en-us/micros...
Our weekend profile of Marc Benioff, who apologized today after starting a firestorm by saying the National Guard should come to San Francisco www.wsj.com/tech/marc-be...
The A-List Turned on Marc Benioff. Now He’s Sorry.
The Salesforce CEO apologized for his comments on the National Guard.
www.wsj.com
October 18, 2025 at 12:27 AM
Our weekend profile of Marc Benioff, who apologized today after starting a firestorm by saying the National Guard should come to San Francisco www.wsj.com/tech/marc-be...
Exclusive: Marc Benioff Apologizes For National Guard Comments www.wsj.com/politics/pol... via @WSJ
Exclusive | Marc Benioff Apologizes For National Guard Comments
The Salesforce CEO had called for President Trump to send the National Guard to San Francisco.
www.wsj.com
October 17, 2025 at 7:59 PM
Exclusive: Marc Benioff Apologizes For National Guard Comments www.wsj.com/politics/pol... via @WSJ
Scoop: Microsoft is working with Harvard Medical School for a Copilot chatbot update, seeks healthcare push and some tech independence from OpenAI: www.wsj.com/tech/ai/micr...
Exclusive | Microsoft Tries to Catch Up in AI With Healthcare Push, Harvard Deal
The company is seeking to move away from dependence on its partner OpenAI and build a consumer base for its Copilot chatbot.
www.wsj.com
October 8, 2025 at 11:06 PM
Scoop: Microsoft is working with Harvard Medical School for a Copilot chatbot update, seeks healthcare push and some tech independence from OpenAI: www.wsj.com/tech/ai/micr...
Big news: Microsoft is disabling certain services and subscriptions by Israel’s defense ministry after the company found the ministry was using cloud services to surveil Gaza citizens www.wsj.com/tech/microso...
Microsoft Cuts Back Work With Israel’s Defense Ministry
The software company found the ministry used cloud services to surveil Gaza citizens.
www.wsj.com
September 25, 2025 at 5:04 PM
Big news: Microsoft is disabling certain services and subscriptions by Israel’s defense ministry after the company found the ministry was using cloud services to surveil Gaza citizens www.wsj.com/tech/microso...
The all-out panic in the tech industry has subsided. Now comes the debate: Will President Trump’s move to charge $100,000 to apply for a coveted H-1B visa help or hurt Silicon Valley? www.wsj.com/tech/h1b-vis... via @WSJ
Tech’s H-1B Debate: Is Trump’s New Fee a Solution or a Setback?
Some in tech say charging $100,000 for visa applications will weed out bad candidates, while others expect it to drive hiring overseas.
www.wsj.com
September 23, 2025 at 3:36 PM
The all-out panic in the tech industry has subsided. Now comes the debate: Will President Trump’s move to charge $100,000 to apply for a coveted H-1B visa help or hurt Silicon Valley? www.wsj.com/tech/h1b-vis... via @WSJ
Big news at Oracle this morning: The company has named two new CEOs, Clay Magouyrk and Mike Sicilia, who will replace longtime chief Safra Catz as she transitions to executive vice chair. www.wsj.com/business/c-s...
Oracle Names Co-CEOs as Safra Catz Moves to Executive Vice Chair
Clay Magouyrk, president of Oracle’s cloud infrastructure business, and Oracle Industries President Mike Sicilia are now its chief executives.
www.wsj.com
September 22, 2025 at 5:50 PM
Big news at Oracle this morning: The company has named two new CEOs, Clay Magouyrk and Mike Sicilia, who will replace longtime chief Safra Catz as she transitions to executive vice chair. www.wsj.com/business/c-s...
There are few places in the U.S., if any, where the local economy rests as heavily on two players like Seattle does with Amazon and Microsoft. So what happens after these two tech giants undergo layoff after layoff and indicate their workforces won't grow? My latest: www.wsj.com/tech/seattle...
Seattle, Tech Boomtown, Grapples With a Future of Fewer Tech Jobs
Amazon and Microsoft remade the Seattle area. Now its economy is feeling the pain of the industry’s pullback.
www.wsj.com
September 21, 2025 at 2:06 AM
There are few places in the U.S., if any, where the local economy rests as heavily on two players like Seattle does with Amazon and Microsoft. So what happens after these two tech giants undergo layoff after layoff and indicate their workforces won't grow? My latest: www.wsj.com/tech/seattle...
As we've covered over the past week, Larry Ellison seems to be everywhere right now.
I discussed Ellison's early days, rise in Silicon Valley and current power on today's episode of The Journal. www.wsj.com/podcasts/the...
I discussed Ellison's early days, rise in Silicon Valley and current power on today's episode of The Journal. www.wsj.com/podcasts/the...
How Larry Ellison (Briefly) Became the World's Richest Person - The Journal. - WSJ Podcasts
The Oracle co-founder is almost as wealthy as Elon Musk, and he’s in the middle of the AI revolution, the future of entertainment, and maybe even a deal for TikTok. WSJ’s Sebastian Herrera explains wh...
www.wsj.com
September 18, 2025 at 9:15 PM
As we've covered over the past week, Larry Ellison seems to be everywhere right now.
I discussed Ellison's early days, rise in Silicon Valley and current power on today's episode of The Journal. www.wsj.com/podcasts/the...
I discussed Ellison's early days, rise in Silicon Valley and current power on today's episode of The Journal. www.wsj.com/podcasts/the...
Reposted by Sebastian Herrera
Oracle, Silver Lake consortium to control 80% stake in TikTok in US, WSJ reports reut.rs/3VWFnqI
Oracle, Silver Lake consortium to control 80% stake in TikTok in US, WSJ reports
TikTok's U.S. operations would be controlled by an investor consortium including Oracle , Silver Lake and Andreessen Horowitz, under a framework the U.S. and China are finalizing, the Wall Street Journal reported on Tuesday, citing people familiar with the matter.
reut.rs
September 16, 2025 at 8:05 PM
Oracle, Silver Lake consortium to control 80% stake in TikTok in US, WSJ reports reut.rs/3VWFnqI
Our weekend profile of Larry Ellison, who at 81, is back on the main stage after he briefly became the richest man in the world this past week. www.wsj.com/business/lar...
Larry Ellison Is More Interesting Than Ever at 81
The 81-year-old is in the middle of the AI revolution, the future of entertainment and maybe even a deal for TikTok.
www.wsj.com
September 13, 2025 at 1:17 AM
Our weekend profile of Larry Ellison, who at 81, is back on the main stage after he briefly became the richest man in the world this past week. www.wsj.com/business/lar...
Reposted by Sebastian Herrera
Microsoft and OpenAI have agreed to extend their partnership, as the startup seeks to become a for-profit company.
Microsoft, OpenAI Announce Deal to Extend Partnership
The agreement is set to remove one of several barriers for the startup, which is seeking to restructure and become a for-profit company.
on.wsj.com
September 11, 2025 at 10:05 PM
Microsoft and OpenAI have agreed to extend their partnership, as the startup seeks to become a for-profit company.
After current and former Microsoft employees breached a top executive's office, the company shut down an internal communication channel used by employees to question senior executives. More details here on Microsoft's response these past two weeks: www.wsj.com/tech/microso...
Microsoft Cracks Down on Work Speech, Limits Remote Work
The company is tightening controls on workplace discussions and building security following a sit-in Gaza protest.
www.wsj.com
September 9, 2025 at 7:52 PM
After current and former Microsoft employees breached a top executive's office, the company shut down an internal communication channel used by employees to question senior executives. More details here on Microsoft's response these past two weeks: www.wsj.com/tech/microso...
Reposted by Sebastian Herrera
Jeffrey Epstein’s estate has given Congress a copy of the 2003 birthday book, including the letter with Trump’s signature that he has said doesn’t exist.
Read more: 🔗 on.wsj.com/4nGGdnJ
Read more: 🔗 on.wsj.com/4nGGdnJ
September 8, 2025 at 7:07 PM
Jeffrey Epstein’s estate has given Congress a copy of the 2003 birthday book, including the letter with Trump’s signature that he has said doesn’t exist.
Read more: 🔗 on.wsj.com/4nGGdnJ
Read more: 🔗 on.wsj.com/4nGGdnJ
Reposted by Sebastian Herrera
Breaking News: The Supreme Court lifted restrictions on ICE agents in Los Angeles, allowing them to make indiscriminate stops based on factors like ethnicity.
Supreme Court Lifts Restrictions on L.A. Immigration Stops
A federal judge had ordered agents not to make indiscriminate stops relying on factors like a person’s ethnicity or that they speak Spanish.
nyti.ms
September 8, 2025 at 4:20 PM
Breaking News: The Supreme Court lifted restrictions on ICE agents in Los Angeles, allowing them to make indiscriminate stops based on factors like ethnicity.
Reposted by Sebastian Herrera
Employee activism has put some tech workers at odds with their bosses and tested internal policies at Microsoft and Google.
First Google, Now Microsoft: Tech Staff Are in Revolt Over Gaza
Employee activism has put some tech workers at odds with their bosses and tested internal policies at Microsoft and Google.
on.wsj.com
August 28, 2025 at 2:13 AM
Employee activism has put some tech workers at odds with their bosses and tested internal policies at Microsoft and Google.
Tensions have been building for months at Microsoft and Google, which sell software to the Israeli government. Content moderators of internal message boards have repeatedly deleted comments about the war. @katherineblunt.bsky.social www.wsj.com/tech/first-g...
First Google, Now Microsoft: Tech Staff Are in Revolt Over Gaza
Employee activism has put some tech workers at odds with their bosses and tested internal policies at Microsoft and Google.
www.wsj.com
August 28, 2025 at 12:09 AM
Tensions have been building for months at Microsoft and Google, which sell software to the Israeli government. Content moderators of internal message boards have repeatedly deleted comments about the war. @katherineblunt.bsky.social www.wsj.com/tech/first-g...
It was an extraordinary day at Microsoft.
Employees occupied the office of Vice Chair and President Brad Smith in protest of the company’s relationship with the Israeli government, which uses Microsoft’s cloud computing service.
www.wsj.com/tech/microso...
Employees occupied the office of Vice Chair and President Brad Smith in protest of the company’s relationship with the Israeli government, which uses Microsoft’s cloud computing service.
www.wsj.com/tech/microso...
Microsoft Investigating Employees After Gaza Protest Locks Down Building
The tech company is weighing disciplinary measures for employees who occupied President Brad Smith’s office in protest of Microsoft’s relationship with the Israeli government during its war in Gaza.
www.wsj.com
August 27, 2025 at 2:08 AM
It was an extraordinary day at Microsoft.
Employees occupied the office of Vice Chair and President Brad Smith in protest of the company’s relationship with the Israeli government, which uses Microsoft’s cloud computing service.
www.wsj.com/tech/microso...
Employees occupied the office of Vice Chair and President Brad Smith in protest of the company’s relationship with the Israeli government, which uses Microsoft’s cloud computing service.
www.wsj.com/tech/microso...
Reposted by Sebastian Herrera
Microsoft faces an employee-led guerilla campaign of mass emails and public disruptions over its sales to Israel. This month, things escalated, with two protests - and 20 arrests - on campus in Redmond. New w/@brodyford.bsky.social: www.bloomberg.com/news/article...
Microsoft Asked FBI for Help Tracking Palestinian Protests
Twenty activists urging company to sever ties with Israeli military were arrested last week. Executive Brad Smith said he welcomed discussion but not disruption.
www.bloomberg.com
August 26, 2025 at 2:28 PM
Microsoft faces an employee-led guerilla campaign of mass emails and public disruptions over its sales to Israel. This month, things escalated, with two protests - and 20 arrests - on campus in Redmond. New w/@brodyford.bsky.social: www.bloomberg.com/news/article...
Devastating read.
Adam Raine, 16, died from suicide in April after months on ChatGPT discussing plans to end his life. His parents have filed the first known case against OpenAI for wrongful death.
Overwhelming at times to work on this story, but here it is. My latest on AI chatbots: www.nytimes.com/2025/08/26/t...
Overwhelming at times to work on this story, but here it is. My latest on AI chatbots: www.nytimes.com/2025/08/26/t...
A Teen Was Suicidal. ChatGPT Was the Friend He Confided In.
www.nytimes.com
August 26, 2025 at 5:20 PM
Devastating read.