Person · Senate
Harrison C.
Costello
POLICY ADVISOR — Office of the Senate Republican Leader
Policy Advisor in the Office of the Senate Majority Leader John Thune, focusing on transportation, energy, natural resources, and environmental policy. Previously served as Senior Legislative Assistant to Senator John Thune for more than eight years, specializing in transportation, infrastructure, supply chain, and emerging technology policy including artificial intelligence, autonomous vehicles, and unmanned aircraft systems. Currently Vice President, Global Government Affairs at Airlines for America.
Last full-year salary
Calendar year 2025 · summed across all roles
Career tenure
6 roles tracked
Sponsored trips
$0 total
Career earnings
Chapter I
Compensation Timeline
Summed annual salary across all tracked roles.
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Chapter II
Employment History
Roles are merged across compensation filings.
Chapter III
Earlier career
Prior roles per public sources. May overlap with employment records based on salary filings above.
Chapter IV
Sponsored Travel
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