Kenneth Kies Joined Lobbying Arm of EY
The former Treasury tax official has transitioned to the private sector to lead lobbying efforts at EY.
Updated on Oct. 2, 2026 in Taxes

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Kenneth Kies, who previously served as the assistant secretary for tax policy and acting chief counsel of the Internal Revenue Service, has joined the lobbying arm of EY. The move follows his departure from his official position within the United States Treasury Department.
Why it matters
Personnel shifts involving high-ranking former government officials often signal strategic pivots in how major firms engage with federal tax policy. This transition marks a notable change in the professional path of a key figure who previously oversaw federal tax policy and legal enforcement.
This appointment follows Kies's tenure across two distinct federal tax leadership roles within the United States. While his transition is complete, the firm has not disclosed specific details regarding the client accounts or policy areas he will manage.
The players
Kenneth Kies
The former assistant secretary for tax policy and acting chief counsel of the Internal Revenue Service has joined the lobbying division of EY.
EY
A global professional services firm that provides tax, audit, and advisory services to households and businesses.
Internal Revenue Service
The federal agency responsible for tax collection and the enforcement of the United States tax code.
Treasury Department
The cabinet-level department that manages federal finances and shapes tax policy for the United States.
The details
Kenneth Kies transitioned to the private sector after serving as the assistant secretary for tax policy and as the acting chief counsel of the Internal Revenue Service. As part of the lobbying arm of EY, he will now leverage his experience regarding the formation and implementation of federal tax rules. Such transitions are common among former high-ranking government officials who shift toward policy advocacy for private organizations.
Timeline
Kenneth Kies left his position at the United States Treasury Department in 2026.
Money Landscape
This transition aligns with the historical trend of top government tax officials moving into private sector advocacy. It marks a continued movement of expertise from the federal policy cycle into the professional services industry.
While this appointment affects the professional landscape of tax lobbying, it does not change current tax obligations for households. Residents should continue to monitor official guidance from the Internal Revenue Service regarding any changes to tax filing rules or requirements.
The takeaway
Personnel changes at high-level firms often provide insight into upcoming areas of focus for federal tax advocacy. Readers should stay informed about legislative developments that could influence future tax policy by tracking official updates from the Internal Revenue Service.
Further reading
For more information on how federal tax policy changes impact household finances, visit the United States Taxes section.
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