Robert Louis-Dreyfus Wikipedia. Robert Louis-Dreyfus (() 14 June 1946 – 4 July 2009) was a French businessman who had major success as chief executive officer (CEO) of Adidas-Salomon and Saatchi & Saatchi.He was a majority shareholder of the French football team Olympique de Marseille, and during his tenure they re-emerged as a major European football club.