Pierre Castel is a French businessman with an estimated net worth of $9.7 billion as of March 2016, according to Forbes. The company, Groupe Castel, which is owned by his family contributes significantly to Pierre Castel and his family's massive wealth.

Groupe Castel, which was founded in 1949, is among the leading manufacturers of softdrinks, beers, and wines. Today, the company owns around 1,600 hectares of vineyard in Tunisia, Ethiopia, Morocco, and Africa.  In France alone, the group owns a total of 21 vineyards. This French beverage company was founded Pierre Jesus Sebastian Castel along with his eight siblings.

Currently, Pierre Castle is married and is living in France.