Philip Gerson (International Monetary Fund), Abdelhak Senhadji (International Monetary Fund), Carlo Cottarelli (Commissioner of Public Spending Reform in Italy ), Vítor Gaspar (Former Minister of Finance of Portugal), Maya MacGuineas (Committee for a Responsible Federal Budget) and Adam S. Posen (PIIE)
Adam S. Posen (PIIE), Michael Klein (Chairman and Co-CEO Markets & Banking, Citi), Nouriel Roubini (Roubini Global Economics), Nikolaus Piper (Süddeutsche Zeitung) and Garrick Utley (Levin Institute and American Council on Germany)