Philipp Plein (Born 16 February 1978) is a German fashion designer, and founder of the Philipp Plein International Group, which includes the Philipp Plein, Plein Sport, and Billionaire brands. Plein studied law before designing luxury dog beds. In 1998, he founded Philipp Plein International Group in Munich, Germany. Plein is listed as one of the richest individuals in Switzerland for 2019 by Bilanz in their annual Die 300 Reichsten (Top 300 Richest) with a net worth of 300 million CHF.