Jean-Claude Decaux is a French businessman who has earned a great deal of fortune and reputation from advertising. He currently serves as the Chairman of the Board of JCDecaux, an outdoor advertising firm where his children, Jean Charles, and Jean Francois serve as Chief Executives.

He actually started putting ads in bus shelters and public toilets. Today, his ads can be seen in subways, billboards, malls and airports in around 50 countries in the world. JCDecaux is now considered as the number one outdoor advertising company in Asia Pacific and Europe. In 2009, the company has experienced a drastic fall in revenue which accounts to 11.5%. According to Jean-Claude Decaux, this is the greatest struggle of the company since its foundation in 1964.

Jean-Claude Decaux has an estimated net worth of $4.9 billion as of December 2016, according to Bloomberg.