Economist, Oxford. More than two decades as a senior policy-maker in international economics and finance. Has held senior positions in the US government, International Monetary Fund (IMF) and Bank of England, including: senior manager on financial stability and regulation, Bank of England; led teams of economists in the IMF working on European and Latin American countries; member of senior management, IMF; 1997-2001, responsible for Treasury's work on international monetary and financial affairs. Former: Adviser to Treasury Secretaries Robert Rubin and Lawrence Summers. 2011, Special Assistant to the President and Senior Director for International Economics, White House. Currently, Deputy Assistant to the President and Deputy National Security Adviser for International Economics; President's personal representative to major international economic summits, including the G-8 and the G-20. Has advised leading US companies on global business and economic issues. Former Chair, Global Economics Roundtable, Council on Foreign Relations. Former Vice-Chair of the Board, International Center for Research on Women (ICRW), dedicated to research- and data-based solutions to improve the lives of women and girls in developing countries.