Chuck Grassley is a US Senator from Iowa (Republican), serving since 1981, known for his work on government oversight and whistleblower protection. His engagement with AI policy has come through that oversight portfolio rather than through AI-specific legislation, with existing oversight tools extended to AI-related cases.
CISA letter (February 2026)
On February 5, 2026, Grassley sent a letter to the Cybersecurity and Infrastructure Security Agency (CISA) demanding answers from CISA Acting Director Madhu Gottumukkala, following Politico reporting that Gottumukkala had uploaded at least four documents marked "for official use only" to the public version of ChatGPT (see Sen. Grassley Letter to CISA re ChatGPT (2026-02-05)). The letter set a response deadline of February 19, 2026.
Grassley's letter asked about the accuracy of the Politico allegations, the rationale for Gottumukkala's special access permission, records regarding the approval of that permission, and the scope of the claim that the use had been "short-term and limited."
The letter framed an official's use of an AI tool as a records and oversight question, applying the existing oversight apparatus to AI use by federal officials. It fits a bipartisan pattern in 2025–2026 in which senators including Elizabeth Warren (D), Josh Hawley (R), and Grassley (R) have used existing oversight tools to address AI-related issues.
Relationships
- authored: Sen. Grassley Letter to CISA re ChatGPT (2026-02-05)
- related: GSA OneGov Program and USAi Platform (August 2025) (federal AI procurement context), planned CISA — Cybersecurity and Infrastructure Security Agency (AI Deployer), AI Whistleblowing, Sen. Elizabeth Warren, Sen. Josh Hawley.