Brian Riedl is a senior fellow at the Manhattan Institute, focusing on budget, tax, and economic policy. Previously, he worked for six years as chief economist to Senator Rob Portman (R-OH) and as staff director of the Senate Finance Subcommittee on Fiscal Responsibility and Economic Growth. He also served as a director of budget and spending policy for Marco Rubio’s presidential campaign and was the lead architect of the ten-year deficit-reduction plan for Mitt Romney’s presidential campaign.