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Photo of Marco Quiroz-Gutierrez
Marco Quiroz-Gutierrez
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Marco Quiroz-Gutierrez is a reporter for Fortune covering general business news. Before joining Fortune, Marco’s work was published in the Wall Street Journal and the Charlotte Observer. He graduated with a degree in business journalism from the University of North Carolina at Chapel Hill.

Just like humans, AI can get ‘brain rot’ from low-quality text and the effects appear to linger, pre-print study says
AI
Just like humans, AI can get ‘brain rot’ from low-quality text and the effects appear to linger, pre-print study says
By Marco Quiroz-GutierrezOctober 22, 2025
Instagram cofounder rips ‘AI FOMO’ that caused a rush to adopt and no metrics: ‘When it gets fuzzy, it’s very hard to then evaluate’
AI
Instagram cofounder rips ‘AI FOMO’ that caused a rush to adopt and no metrics: ‘When it gets fuzzy, it’s very hard to then evaluate’
By Marco Quiroz-GutierrezOctober 21, 2025
‘Sad, if not damning’: Cathie Wood blasts the proxy firms who say Elon Musk’s $1 trillion pay package is just too rich
Investing
‘Sad, if not damning’: Cathie Wood blasts the proxy firms who say Elon Musk’s $1 trillion pay package is just too rich
By Marco Quiroz-GutierrezOctober 20, 2025
Photo: Sam Altman
AI
OpenAI pauses AI-generated deepfakes of Martin Luther King Jr. on Sora 2 app after ‘disrespectful’ depictions
By Marco Quiroz-GutierrezOctober 17, 2025
Jamie Dimon says it’s the first time in his lifetime it’s ‘semi-rational’ to hold gold in your portfolio
Investing
Jamie Dimon says it’s the first time in his lifetime it’s ‘semi-rational’ to hold gold in your portfolio
By Marco Quiroz-GutierrezOctober 17, 2025
Sam Altman says OpenAI isn’t the ‘moral police of the world’ after people slam its decision to offer erotica to adult users
AI
Sam Altman says OpenAI isn’t the ‘moral police of the world’ after people slam its decision to offer erotica to adult users
By Marco Quiroz-GutierrezOctober 16, 2025
Fail fast, fight smarter: Silicon Valley’s startup mentality is rewiring the Pentagon
AI
Fail fast, fight smarter: Silicon Valley’s startup mentality is rewiring the Pentagon
By Marco Quiroz-GutierrezOctober 15, 2025
From Doritos to Pop-Tarts, Big Food’s $67 billion obsession is protein-packed everything: ‘It’s going to keep coming’
Health
From Doritos to Pop-Tarts, Big Food’s $67 billion obsession is protein-packed everything: ‘It’s going to keep coming’
By Marco Quiroz-GutierrezOctober 14, 2025
Why the New York Stock Exchange just crowned a Gen Z billionaire: Shayne Coplan figured out a society that gambles on everything
Investing
Why the New York Stock Exchange just crowned a Gen Z billionaire: Shayne Coplan figured out a society that gambles on everything
By Marco Quiroz-GutierrezOctober 11, 2025
The government shutdown couldn’t have come at a worse time for D.C. Its $11 billion tourism industry is bracing for impact
Economy
The government shutdown couldn’t have come at a worse time for D.C. Its $11 billion tourism industry is bracing for impact
By Marco Quiroz-GutierrezOctober 11, 2025
Markets look unstoppable, but JPMorgan CEO Jamie Dimon sees a 30% chance of a correction: ‘I’m far more worried than others’
Investing
Markets look unstoppable, but JPMorgan CEO Jamie Dimon sees a 30% chance of a correction: ‘I’m far more worried than others’
By Marco Quiroz-GutierrezOctober 9, 2025
Billionaire PC tycoon Michael Dell is riding the AI gold rush—and he says the party’s far from over even if eventually ‘there’ll be too many’ data centers
AI
Billionaire PC tycoon Michael Dell is riding the AI gold rush—and he says the party’s far from over even if eventually ‘there’ll be too many’ data centers
By Marco Quiroz-GutierrezOctober 8, 2025
Jensen Huang shrugs off Trump’s $100K visa fee, says Nvidia will foot the potential $147 million bill anyway: ‘Legal immigration remains essential’
Big Tech
Jensen Huang shrugs off Trump’s $100K visa fee, says Nvidia will foot the potential $147 million bill anyway: ‘Legal immigration remains essential’
By Marco Quiroz-GutierrezOctober 8, 2025
Legendary Apple designer Jony Ive wants to fix our relationship with the phones he helped create—and has up to 20 different OpenAI gadgets to do so
Innovation
Legendary Apple designer Jony Ive wants to fix our relationship with the phones he helped create—and has up to 20 different OpenAI gadgets to do so
By Marco Quiroz-GutierrezOctober 7, 2025
Billionaire beef boss says Americans crave so much protein the country is outpacing its own production and turning to imports
North America
Billionaire beef boss says Americans crave so much protein the country is outpacing its own production and turning to imports
By Marco Quiroz-GutierrezOctober 6, 2025
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Success
MacKenzie Scott alone accounted for one-third of America's $19.2 billion in megagifts last yearplaceholder alt text
By Sydney LakeJune 25, 2026
Big Tech
As Big Tech showers employees with perks to win the talent war, Nvidia built a nearly $5 trillion company by making people pay for their own lunchplaceholder alt text
By Marco Quiroz-GutierrezJuly 1, 2026
Success
Philanthropy leader at Warren Buffett and Bill Gates’ Giving Pledge says children of billionaires are pushing them to give their wealth away fasterplaceholder alt text
By Preston ForeJune 27, 2026
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