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TAC ECONOMICS has a critical size of about 20 staff with the large majority having either a Masterís degree or a PhD in their respective areas of expertise. The team is headed by an Executive Committee and benefits from support and advice from three Senior Advisors.

Thierry Apoteker, Chairman & Chief Economist

Thierry graduated from the top French school of management HEC and obtained a Doctorate in Monetary Economics from the University of Paris Dauphine. He started as a junior economist in a French think tank (B.I.P.E.) and then moved to Banque Indosuez (now Credit Agricole Indosuez / Calyon/ CACIB) where he set up the country risk division before becoming the bank's chief economist and head of the Research Department. Thierry left the bank in 1990 to create the consultancy group that bears his name. Thierry is a frequent lecturer on international economics in many academic institutions (HEC, IGR, ENSAI), and is a speaker at many international conferences.

Sylvain Barthélémy, CEO

Sylvain joined TAC ECONOMICS in 1995, with a pre-doctoral degree in Monetary Economics from Rennes University, and started at TAC as a quantitative expert. He pioneered TAC ECONOMICS quantitative work in the field of non-linear modeling and artificial intelligence, and has been the key architect of all quantitative developments at TAC ECONOMICS. Sylvain is a lecturer at Rennes University and is a member of many different scientific committees in academic / international conferences in the fields of quantitative economics, finance and data mining.