In 1982, Louis-Dreyfus joined
IMS, the US pharmaceutical research company enjoying spectacular monetary success. His original grew twentyfold by the time the company was sold in 1988. He was CEO at
Saatchi & Saatchi, the United Kingdom-based
advertising agency, from 1989 to 1993. Louis-Dreyfus invested his own money in Saatchi & Saatchi, and during his tenure the agency grew considerably. He proved equally successful when in 1994 he took the top job at
Adidas, the German-based sporting goods maker. Louis-Dreyfus added to the brand by streamlining the product line and adding new companies to the group, including the
Salomon ski-wear and golf company in 1997. He remained CEO of Adidas until 2001, combining this position with chairmanship of
Neuf Telecom, with whom he worked until 2004. He also was a director of
Neuf Cegetel. Louis-Dreyfus re-joined the family company,
Louis-Dreyfus Group, in May 2000, and restructured this major commodities trading and merchandising firm. In 2005, he decided to relaunch the
Le Coq Sportif sports company through a Swiss investment company, Airesis. == Sporting interests ==