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Who Lobbies for C3.ai Inc

Every firm filing a lobbying report has to name the individuals who worked the account and disclose the covered government positions they held. These are the people named on C3.ai Inc's filings who came out of such a job.

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Former staff lobbying
2
Members they worked for
0
named unambiguously
Position named as filed
2
agency or committee, not a member
Latest filing
2026

Former staff now lobbying

Sorted by how many members someone worked for. The chips in the last column are the other companies each person is also registered for.

LobbyistPreviously worked for
Christopher ViesonStaff Director Committees on Armed Services, Homeland Security, Transportation and Infrastructure 2017-2025; House Majority Leader 2011-2014filed 2026AI
No member named
Phil MacnaughtonPSM House Armed Services Committeefiled 2026AI
No member named

Source: quarterly LD-2 lobbying reports filed under the Lobbying Disclosure Act. A member is linked only where the filing names them unambiguously; positions naming an agency, a committee or a surname shared by several members are shown as filed but not linked. Moving from government to lobbying is lawful and disclosed, which is why it is possible to count it here at all.

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