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.
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.
Amazon Web Services
The largest cloud provider and a builder of its own AI chips.
OpenAI
Developer of ChatGPT and the GPT model series.
TSMC
The foundry that manufactures most leading-edge AI chips, and the builder of the Arizona fab cluster.
Hugging Face
Hosts open-weight AI models and the benchmarks that rank them.
Meta
Owner of Facebook and Instagram and one of the biggest buyers of Nvidia GPUs.
Oracle
Cloud provider building large AI data centers for OpenAI.
Anthropic
Developer of the Claude models and a rival to OpenAI at the frontier.
Micron
U.S. memory maker ramping HBM production.
Mellanox
Alibaba
Dell Technologies
Uber
CoreWeave
Tesla
Automaker developing the Cybercab and the Robotaxi service.
SpaceX
Builds and flies Starship from Starbase, Texas.
Humana
SK hynix
Leading supplier of HBM memory to Nvidia.
UnitedHealthcare
Elevance Health
Run:ai
Samsung
Memory maker competing in HBM.
Arm
Clover Health
UnitedHealth Group
Aetna
Nintendo
V.O.S. Selections
Wine importer whose lawsuit became the lead challenge to the IEEPA tariffs.
AT&T
ByteDance
Owner of TikTok and one of the largest buyers of Nvidia chips affected by China export rules.
Sony
Owner of PlayStation, a plaintiff in the tariff refund suits.
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.
Tim Cook
CEO of Apple since 2011.
Lisa Su
Chair and CEO of AMD.
Elon Musk
CEO of Tesla and SpaceX.
John Ternus
Apple's senior vice president of hardware engineering, named as Tim Cook's successor.
Frank Bisignano
Commissioner of Social Security.
Lip-Bu Tan
CEO of Intel since March 2025.
Scott Bessent
Steve Jobs
John Roberts
Chief Justice of the United States.
Jerome Powell
Chair of the Federal Reserve from 2018 until his term as chair ended in 2026.
Kevin Warsh
Former Fed governor who succeeded Jerome Powell as chair in 2026.
Nicholas Kent
Linda McMahon
Mehmet Oz
Stephen Miran
Chair of the Council of Economic Advisers and, from 2025, a Federal Reserve governor.
C.C. Wei
Chairman and CEO of TSMC.
Pat Gelsinger
CEO of Intel from 2021 until December 2024.
Arthur Levinson
Chair of Apple's board.
Jean Hu
Michael Dell
Sam Altman
CEO of OpenAI.
Ashok Elluswamy
Head of Autopilot and AI software at Tesla.
Beth Hammack
President of the Federal Reserve Bank of Cleveland.
Kevan Parekh
Apple's chief financial officer.
Lisa Cook
Member of the Federal Reserve Board of Governors.
Richard K. Eaton
Senior judge of the U.S. Court of International Trade.
Tim Noel
Regulators and governments
U.S. government
The executive branch as employer, chip investor and tariff-setter, including the White House.
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. Department of Justice
U.S. Department of the Treasury
Centers for Medicare & Medicaid Services
Social Security Administration
Announces the annual cost-of-living adjustment each October.
Federal Reserve
The U.S. central bank. Its Board of Governors sets bank rules and, with the FOMC, the federal funds rate.
Bureau of Labor Statistics
Publishes the CPI and the monthly jobs report.
State Administration for Market Regulation
Supreme Court
Decided the IEEPA tariff case.
Office of Personnel Management
The federal government's HR agency, which ran the 2025 workforce reductions.
U.S. Government Accountability Office
U.S. Securities and Exchange Commission
U.S. Department of Education
Federal Open Market Committee
The Fed committee that sets the federal funds rate at eight meetings a year.
FAA
Licenses Starship launches and leads mishap investigations.
Federal Student Aid
U.S. Customs and Border Protection
Collects tariffs and processes refunds.
Court of International Trade
The federal court where tariff refund claims are filed.
Internal Revenue Service
European Commission
NHTSA
Federal vehicle safety regulator investigating Tesla's driver-assistance systems.
Court of Appeals for the Federal Circuit
Hears appeals from the Court of International Trade, including the tariff cases.
Department of Health and Human Services
Missouri
NASA
Customer for the Starship lunar lander under Artemis.
Cyberspace Administration of China
China's internet regulator, which questioned Nvidia over the H20 chip.
State of Oregon
Lead state plaintiff against the IEEPA tariffs.