As Commissioner, he was in charge of the application of the Stability and Growth Pact, as well as ensuring the economic soundness of Commission proposals and deepening the Economic and Monetary Union to create the conditions for jobs, growth and investment, and encouraging further structural reforms. He represented the EU in G20 and G7 meetings for finance ministers. He participated to Eurogroup and ECOFIN Councils. He was in charge of the negotiations for the conclusion of the Greek adjustment program. On taxation matters, Commissioner Moscovici was responsible for developing a value added tax system at EU level, improving the functioning of the internal market in both direct and indirect taxation and fighting tax fraud and tax evasion. His responsibilities also included the development and management of an efficient EU customs union. Pierre Moscovici was an associate professor at Sciences-Po (2002-12), giving lectures on economic policy and European affairs. He was invited to the School of International and Public Affairs (SIPA) at Columbia in 2006 for a class on Europe. He has written several books about social-democracy, economics and Europe.