Jean-Paul Tran Thiet is specialized in Competition and EU law.
After pursuing a career as a top French and European civil servant during which he worked as an advisor to the Vice-president of the European Commission and to several French ministers, including the Prime Minister, Jean-Paul Tran Thiet became a lawyer in 1990.
He was successively President of the Board of Juris Dťfi Paris, a law firm belonging to the Juris Defi legal network, that he chaired, and then partner at Arthur Andersen's Legal Practice. In 1997 he joined Bureau Francis Lefebvre as a partner and head of a department specialised in European law, competition law and in "system industries" and areas which are currently undergoing deregulation.
He has been appointed in 2001 as Chairman of the "European Affairs" working group of Institut Montaigne, one of the prominent French think tanks, and has been elected member of the Board of Directors in March 2006.