Gardner is currently Managing Partner of Brookfield's private equity group, based in London. Before becoming U.S. ambassador to the EU, Gardner was managing director for six years at a private equity firm based in London. Before that he worked for both
Bank of America and
GE Capital in London, as well as for several international law firms in London, Brussels, Paris and New York. He also worked with the European Commission (Directorate General for Competition Policy), the Commission des Operations de Bourse in Paris and the
Treuhandanstalt (German Privatization Ministry) in Berlin. He was confirmed by the Senate on February 12, 2014. He is also a member of the
Council on Foreign Relations, a member of the advisory boards of the
Centre for European Reform, the European Policy Centre the American EC Association and Seed Global Health. He is a Senior non-resident fellow of the German Marshall Fund. He has served as trustee of the Guggenheim UK Charitable Trust, and a board member for the
Peggy Guggenheim Collection in Venice. ==References==