To be an e/acc means that, at the time of appointment to a leading AI policy role, the person has described themself in the past as an e/acc and not renounced or walked the term back.
An “important AI policy role for the White House” means any major official executive branch leadership position, or newsworthy advisory or policy drafting capacity, related to artificial intelligence (e.g. domestic regulations, research funding, government adoption, international negotiations, drafting executive orders).
For example, the following offices/titles would count:
Director of the AI Safety Institute
Director of the Office of Science and Technology Policy
DoD’s Chief or Deputy Chief Digital and Artificial Intelligence Officer
Secretary of Commerce
Special Advisor on AI (e.g. like Ben Buchanan)
anyone reported as having helped draft an AI policy executive order (e.g. like how Bruce Reed was reported as having done)