Home·Who's who
Who's who
Companies
Nvidia
Designs the data center GPUs at the centre of the AI build-out, from Hopper to Blackwell and Vera Rubin, and is the main subject of US export controls on AI chips to China.
Microsoft
Largest cloud partner of OpenAI and a major buyer of AI accelerators.
AMD
Nvidia's main rival in data center GPUs with the Instinct line, and a foundry customer of TSMC.
Meta
Owner of Facebook and Instagram and one of the biggest buyers of Nvidia GPUs.
OpenAI
Developer of ChatGPT and the GPT model series.
Anthropic
Developer of the Claude models and a rival to OpenAI at the frontier.
Amazon
The retailer, employer and investor behind Amazon Web Services; named here as a buyer of chips, a seller of hardware and a funder of AI labs.
Reuters
Apple
Maker of the iPhone and Mac; its CEO succession is tracked here.
Intel
Chipmaker rebuilding itself around its foundry business and the 18A process.
TSMC
The foundry that manufactures most leading-edge AI chips, and the builder of the Arizona fab cluster.
Amazon Web Services
The largest cloud provider and a builder of its own AI chips.
SpaceX
Builds and flies Starship from Starbase, Texas.
Sony
Owner of PlayStation, a plaintiff in the tariff refund suits.
Oracle
Cloud provider building large AI data centers for OpenAI.
Nintendo
Samsung
Memory maker competing in HBM.
Goldman Sachs
Walmart
SemiAnalysis
SK hynix
Leading supplier of HBM memory to Nvidia.
Micron
U.S. memory maker ramping HBM production.
Hugging Face
Hosts open-weight AI models and the benchmarks that rank them.
AT&T
GameStop
US video game retailer, a party to the digital-ownership disputes over delisted and revoked games.
Alphabet
Google's parent company; named here as a Berkshire Hathaway equity holding.
CoreWeave
Google Cloud
Netflix
xAI
Dell Technologies
Bloomberg
Xbox Game Studios
Tesla
Automaker developing the Cybercab and the Robotaxi service.
Rockstar Games
Freddie Mac
Broadcom
Ubisoft
Publisher whose server shutdowns put digital game ownership in front of a court.
Alibaba
Nasdaq
Nintendo of America
SoftBank
Mellanox
CME Group
Tom’s Hardware
American Airlines
Grain Management
MediaTek
ASUS
Cognition
Foxconn
Google LLC
Kroger
MacRumors
New York Stock Exchange
Space Exploration Holdings LLC
T-Mobile
Uber
Verizon
Barclays
Costco
DeepSeek
Disney
GF Securities
Lenovo
Marvell Technology
PlayStation Direct
Southwest Airlines
SpaceXAI
Supermicro
Target
Wells Fargo
Wizards of the Coast
Google DeepMind
Humana
Berkshire Hathaway
The Omaha holding company Warren Buffett ran for sixty years, now led by Greg Abel.
UnitedHealthcare
EssilorLuxottica
Activision Blizzard
Take-Two Interactive
ByteDance
Owner of TikTok and one of the largest buyers of Nvidia chips affected by China export rules.
Mortgage News Daily
Oculus
The Pokémon Company
The Pokémon Company International
UnitedHealth Group
Aetna
Clover Health
Elevance Health
Hasbro
Run:ai
Arm
Fannie Mae
Sony Interactive Entertainment LLC
Tencent
VideoCardz
Groq
Huawei
V.O.S. Selections
Wine importer whose lawsuit became the lead challenge to the IEEPA tariffs.
Axios
Marvell Technology, Inc.
Saudi Aramco
Saudi Arabia's state oil company, operator of the East-West Pipeline from Abqaiq to Yanbu.
People
Donald Trump
President of the United States; author of the IEEPA tariffs and the federal workforce cuts.
Jensen Huang
Co-founder and CEO of Nvidia.
Elon Musk
CEO of Tesla and SpaceX.
Lisa Su
Chair and CEO of AMD.
Elizabeth Warren
Tim Cook
CEO of Apple since 2011.
John Ternus
Apple's senior vice president of hardware engineering, named as Tim Cook's successor.
Kevin Warsh
Former Fed governor who succeeded Jerome Powell as chair in 2026.
Frank Bisignano
Commissioner of Social Security.
Lip-Bu Tan
CEO of Intel since March 2025.
Scott Bessent
Jamieson Greer
Asha Sharma
Steve Jobs
Mark Zuckerberg
Bill Pulte
Bret Johnsen
Greg Joswiak
Satya Nadella
Howard Lutnick
John Roberts
Chief Justice of the United States.
Kate Bergeron
Matthew Ball
Robert F. Kennedy Jr.
Susan Collins
Xi Jinping
Deirdre O’Brien
Jeff Pu
Mark Carney
Jerome Powell
Chair of the Federal Reserve from 2018 until his term as chair ended in 2026.
Linda McMahon
Nicholas Kent
Greg Abel
Berkshire Hathaway's president and chief executive since January 1, 2026; previously vice chairman for the non-insurance businesses.
Lisa Cook
Member of the Federal Reserve Board of Governors.
Mehmet Oz
Stephen Miran
Chair of the Council of Economic Advisers and, from 2025, a Federal Reserve governor.
Brooke Rollins
C.C. Wei
Chairman and CEO of TSMC.
Alan Liu
François-Philippe Champagne
Matthew Cassell
Michael Dell
Pat Gelsinger
CEO of Intel from 2021 until December 2024.
Sam Altman
CEO of OpenAI.
Shuntaro Furukawa
Strauss Zelnick
Angel Cerrato
Anna Grunseth
Arthur Levinson
Chair of Apple's board.
Ashok Elluswamy
Head of Autopilot and AI software at Tesla.
Beth Hammack
President of the Federal Reserve Bank of Cleveland.
Dominic LeBlanc
Elizabeth Robeson
Heather Havens
Hock Tan
Jean Hu
John C. Williams
Kevan Parekh
Apple's chief financial officer.
Mark Cerny
Tristan Abbey
Administrator of the U.S. Energy Information Administration.
William Boykin
Andrew Garcia
Brad Gerstner
Christopher J. Waller
Edward Heycock
Greg Brockman
Jake Weber
Jason Mendoza
Jeffrey Schmid
John Salinas
Justin Trudeau
Lorie Logan
Michael S. Barr
Neel Kashkari
Richard K. Eaton
Senior judge of the U.S. Court of International Trade.
Susan Dell
Tim Noel
Warren Buffett
Berkshire's chief executive from 1965 to 2025 and its chairman until September 2026, now chairman emeritus and a director.
Regulators and governments
U.S. government
The executive branch as employer, chip investor and tariff-setter, including the White House.
U.S. Department of the Treasury
Runs the tariff refund machinery, the Trump accounts rollout and the debt issuance behind the rate path.
U.S. Department of Justice
Brings the federal antitrust and consumer cases that appear in these timelines.
U.S. Securities and Exchange Commission
US markets regulator; receives the S-1, 8-K and 10-Q filings this site cites.
U.S. Department of Commerce
Writes and enforces the export controls on advanced chips through its Bureau of Industry and Security, and administers CHIPS Act awards.
U.S. Congress
The legislature whose appropriations, tariff statutes and oversight letters set the terms this site tracks.
Bureau of Labor Statistics
Publishes the CPI and the monthly jobs report.
United States
European Commission
Supreme Court
Decided the IEEPA tariff case.
Federal Reserve
The U.S. central bank. Its Board of Governors sets bank rules and, with the FOMC, the federal funds rate.
Social Security Administration
Announces the annual cost-of-living adjustment each October.
U.S. Customs and Border Protection
Collects tariffs and processes refunds.
FAA
Licenses Starship launches and leads mishap investigations.
Internal Revenue Service
Office of the United States Trade Representative
Negotiates and administers the tariff actions in the trade timelines.
European Union
House Ways and Means Committee
Department of Homeland Security
Office of Management and Budget
Centers for Medicare & Medicaid Services
International Energy Agency
Paris-based energy body whose 32 member countries hold emergency oil reserves and co-ordinate releases from them.
U.S. Energy Information Administration
The US government's energy statistics agency; its monthly Short-Term Energy Outlook is the price and production forecast this site tracks.
Iran
The state that closed the Strait of Hormuz in March 2026 and signed the June memorandum that reopened it.
Saudi Arabia
Holder of most of the world's spare oil capacity and of the largest pipeline route around the Strait of Hormuz.
Department of Health and Human Services
NASA
Customer for the Starship lunar lander under Artemis.
Federal Communications Commission
Federal Housing Finance Agency
State Administration for Market Regulation
China's market regulator, whose merger reviews gate several chip deals tracked here.
European Parliament
U.S. Department of Labor
UK Competition and Markets Authority
Chinese government
Federal Trade Commission
Islamic Revolutionary Guard Corps
Iranian military branch named by OFAC as backing the mandatory-insurance scheme imposed on vessels transiting the strait.
Office of Personnel Management
The federal government's HR agency, which ran the 2025 workforce reductions.
U.S. Government Accountability Office
Congress's audit arm; its reports are cited here on export controls and benefit programmes.
U.S. House of Representatives
United States Senate
U.S. Department of Education
Federal Open Market Committee
The Fed committee that sets the federal funds rate at eight meetings a year.
Federal Student Aid
U.S. Department of Agriculture
Court of International Trade
The federal court where tariff refund claims are filed.
CMS
NHTSA
Federal vehicle safety regulator investigating Tesla's driver-assistance systems.
National Agricultural Statistics Service
USDA Animal and Plant Health Inspection Service
Court of Appeals for the Federal Circuit
Hears appeals from the Court of International Trade, including the tariff cases.
Federal Reserve Bank of New York
International Maritime Organization
The UN agency for shipping safety and security, and the body that declared safe passage through the Strait of Hormuz did not exist.
Missouri
Cyberspace Administration of China
China's internet regulator, which questioned Nvidia over the H20 chip.
Mexico
Office of Foreign Assets Control
The US Treasury unit that designates sanctioned people, companies and vessels.
State of Oregon
Lead state plaintiff against the IEEPA tariffs.