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Guillermo Molero

Stay informed with Guillermo Molero’s coverage and analysis.

A middle-aged man, Ken Griffin, wearing a dark suit and light blue tie, sits on stage during a conference. He has short, neatly combed gray hair and is looking slightly to his left with a serious expression. Behind him is a purple backdrop with a repeating logo for the Milken Institute Global Conference.
Finance
Ken Griffin chips in to fund record-breaking $12 million contract for new US men’s soccer coach
By Guillermo Molero and BloombergSeptember 12, 2024
Court forces Elon Musk to testify in SEC Twitter probe again after his refusal, and now the agency has ‘thousands of new documents’ 
Tech
Court forces Elon Musk to testify in SEC Twitter probe again after his refusal, and now the agency has ‘thousands of new documents’ 
By Guillermo Molero and BloombergFebruary 11, 2024
In states like New York with legal cannabis, black market marijuana is a growing problem: ‘It really is a constant battle’
Lifestyle
In states like New York with legal cannabis, black market marijuana is a growing problem: ‘It really is a constant battle’
By Guillermo Molero and BloombergJuly 24, 2023
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Success
Mark Cuban says he has the solution to growing income inequality, and it's to reward every employee—from CEO to janitor—with company stockplaceholder alt text
By Sasha RogelbergJuly 20, 2026
Cybersecurity
OpenAI says its AI models secretly broke out of a secure test environment and hacked into AI company Hugging Face in order to cheat on an evaluationplaceholder alt text
By Jeremy Kahn and Emily ForliniJuly 21, 2026
AI
Mathematicians grapple with a ‘very rapid and very unsettling change’ as AI cracks yet another century-old problemplaceholder alt text
By Eva RoytburgJuly 21, 2026
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