Katie Roof

Stay informed with Katie Roof’s coverage and analysis for Fortune.

WASHINGTON, DC – JULY 18: CEO of Scale A.I. Alexandr Wang testifies during a House Armed Services Subcommittee on Cyber, Information Technologies and Innovation hearing about artificial intelligence on Capitol Hill July 18, 2023 in Washington, DC. The hearing focused on barriers that prevent the Department of Defense from adopting and deploying A.I. effectively and the risks from adversarial A.I. (Photo by Drew Angerer/Getty Images)

Meta in talks for Scale AI investment that could top $10 billion

By David Carnevali, Shirin Ghaffary, and others

WASHINGTON, DC – MARCH 5: White House Senior Advisor to the President and Tesla and SpaceX CEO Elon Musk departs the U.S. Capitol Building on March 5, 2025 in Washington, DC. Musk was meeting with Republican senators at a closed door lunch. (Photo by Andrew Harnik/Getty Images)

Elon Musk’s X raises almost $1 billion in new equity funding

By Bloomberg, Sonali Basak, and others

January 19, 2020 – Kennedy Space Center, Florida, United States – SpaceX CEO Elon Musk prepares to depart a press conference following the successful In-Flight Abort Test of the SpaceX Falcon 9 rocket and Crew Dragon capsule on January 19, 2020 at the Kennedy Space Center in Florida. (Photo by Paul Hennessy/NurPhoto via Getty Images)

SpaceX share sale values company around $255 billion

By Eric Johnson, Katie Roof, and others

Morgan Stanley to lead fintech company Chime’s IPO

By Katie Roof, Amy Or, and others

LAS VEGAS, NEVADA – JANUARY 05: Steve Huffman, CEO of Reddit attends Variety & Reddit An Evening With Future Makers at Wynn Las Vegas on January 05, 2023 in Las Vegas, Nevada. (Photo by Greg Doherty/Variety via Getty Images)

Reddit prices IPO shares at $34 in what Wall Street hopes will reignite the frozen market for newly public tech companies

By Ryan Gould, Amy Or, and others

ROME ,ITALY – DECEMBER 16,2023: X (formerly Twitter) CEO Elon Musk attends the Atreju political meeting organised by the young militants of Italian right wing party Brothers of Italy (Fratelli d’Italia) (Photo credit should read Marco Ravagli/Future Publishing via Getty Images)

Elon Musk’s AI startup that hopes to leapfrog OpenAI is halfway to its goal of landing $1 billion in funding

By Lizette Chapman, Edward Ludlow, and others

Fidji Simo, chief executive officer of Instacart Inc., speaks during a Bloomberg Studio 1.0 interview in San Francisco, California, U.S., on Thursday, March 3, 2022. Simo took over Instacart in August, assuming the helm of one of Silicon Valley’s most valuable startups. Photographer: David Paul Morris/Bloomberg via Getty Images

Instacart files for IPO as a logjam of would-be publicly traded companies eye their market debuts

By Jackie Davalos, Natalie Lung, and others

Greg Becker, chief executive officer of Silicon Valley Bank, gestures as he speaks during a Bloomberg Television interview in London, U.K., on Thursday, March 10, 2016. With $45 billion in assets and $39 billion in deposits as of 4Q, Silicon Valley Bank is among the top 50 U.S. lenders. Photographer: Luke MacGregor/Bloomberg via Getty Images

Silicon Valley Bank draws support from 100-plus venture capital and investing firms after ‘unintended consequence’ of bank run

By Katie Roof, Priya Anand, and others

Stability AI looks to raise funds at $4B valuation as artificial intelligence captivates investors

By Katie Roof, Mark Bergen, and others

Woman after working out.

Tonal seeks fundraising valuing it at $500M, down from $1.9B, as home fitness industry struggles

By Katie Roof and Bloomberg

Elon Musk is reportedly looking for a new Twitter chief after he lost his own poll about staying on as CEO

By Vlad Savov, Katie Roof, and others

Tesla CEO Elon Musk smiles as he addresses guests at the Offshore Northern Seas 2022 (ONS) meeting in Stavanger, Norway on August 29, 2022. – The meeting, held in Stavanger from August 29 to September 1, 2022, presents the latest developments in Norway and internationally related to the energy, oil and gas sector. – Norway OUT (Photo by Carina Johansen / NTB / AFP) / Norway OUT (Photo by CARINA JOHANSEN/NTB/AFP via Getty Images)

New Twitter owner Elon Musk says a council with ‘widely diverse viewpoints’ will decide whether to restore banned users like Donald Trump

By Kurt Wagner, Katie Roof, and others

Tesla CEO Elon Musk smiles as he addresses guests at the Offshore Northern Seas 2022 (ONS) meeting in Stavanger, Norway on August 29, 2022. – The meeting, held in Stavanger from August 29 to September 1, 2022, presents the latest developments in Norway and internationally related to the energy, oil and gas sector. – Norway OUT (Photo by Carina Johansen / NTB / AFP) / Norway OUT (Photo by CARINA JOHANSEN/NTB/AFP via Getty Images)

Musk plans to name himself Twitter CEO and end lifetime bans on Trump and everyone else, insider says

By Katie Roof, Ed Hammond, and others

NEW YORK, NEW YORK – JULY 20: A Mobileye vehicle is parked outside Nasdaq in Times Square on July 20, 2021 in New York City. New York City has seen a slow increase in tourism as more people receive the COVID-19 vaccination. (Photo by Alexi Rosenfeld/Getty Images)

Intel’s Mobileye self-driving tech unit files for an IPO in what may be among this year’s biggest market debuts

By Ian King, Katie Roof, and others

TAMPA, FL – MAY 06: In this handout photo provided by NASA, ESA (European Space Agency) astronaut Matthais Maurer gives a thumbs up after being helped out of the SpaceX Crew Dragon Endurance spacecraft onboard the SpaceX Shannon recovery ship after he and NASA astronauts Raja Chari, Kayla Barron, Tom Marshburn, landed in the Gulf of Mexico on May 6, 2022 off the coast of Tampa, Florida. Maurer, Marshburn, Chari, and Barron are returning after 177 days in space as part of Expeditions 66 and 67 aboard the International Space Station. (Photo by Aubrey Gemignani/NASA via Getty Images)

SpaceX employees are quietly selling shares at a $125 billion valuation

By Gillian Tan, Katie Roof, and others