Carlos Tavares has been Chairman of the Comissao do Mercado de Valores Mobiliarios (the CMVM) since October 2005. Before joining the CMVM, Mr Tavares was the head of the Bureau of European policy Advisers to the President of the European Commission, after having been Minister of Economy in the government of José Manuel Barroso. Prior to this, Mr Tavares has occupied a number of governmental positions, such as Member of the EEC Monetary Committee, Secretary of State for the Treasury, member of the EC Economic Policies Coordination Group and Director of the Research Department of the Ministry of Finance. In his professional life, Mr Tavares has held a number of positions within financial institutions, and has also academic experience as a teaching assistant in the field of econometrics and macroeconomics. Mr Tavares studied economics at Oporto University.

Jean Guill has been Director General of the “Commission de surveillance du secteur financier” (CSSF) since May 2009. Before moving to that post, he was Director of the Treasury in the Luxembourg Ministry of Finance from 1998. He started his professional career in 1974 at the “Commissariat au contrôle des banques” and, when that institution was replaced by the “Institut monétaire luxembourgeois” (IML) in 1983, he became a member of its Managing Board for its whole existence until 1998. At the EU level, Jean Guill was a member of the Monetary Committee and its successor, the Economic and Financial Committee, from 1983 until 2009, attending Eurogroup and Ecofin meetings in that capacity. From 1983 until 1998 he was the Alternate to the Luxembourg representative in the Central Bank Governors’ fora, at the Bank for International Settlements (BIS) and the European Monetary Institute (EMI). He chaired the EMI’s Committee of Legal Experts for its whole duration. From 1978 to 1979 Jean Guill was in Washington in the office of the Executive Director for Luxembourg at the International Monetary Fund (IMF) and the World Bank. During his time in the Finance Ministry, he was an Alternate Governor of the World Bank and the European Bank for Reconstruction and Development (EBRD) as well as a State representative in the Boards of different national institutions and companies.

Carlo Comporti has been CESR's Secretary General since January 2008. Prior to this, Mr Comporti was the Deputy to the Secretary General of CESR and Director for Markets and Intermediaries in the CESR Secretariat. He joined the CONSOB in 1994, firstly in the Intermediaries Enforcement Division and subsequently in the International Relations Office. He has been a member of expert groups in the field of securities regulation at the EU Council, Commission, OECD, and rapporteur of the FESCO Expert Group on Investor Protection and then the CESR MiFID Expert Group.

Carlo Comporti spent six months at the ECB working on a joint project with CESR in securities clearing and settlement, and one year at the European Commission as a national expert working on the revision of the Investment Services Directive. He graduated from the University of Siena with a Degree in Economics and Banking and holds a Doctorate in Banking and Securities Law. He is a visiting professor of Commercial Law at the University of Siena and he has published numerous publications in the fields of securities and company law.

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As Secretary General, Mr Comporti is in charge of the CESR Secretariat, based in Paris. The structure of the Secretariat can be seen in the organigram, published in the section Documents, or via the following link.