Pierre-Alexis Dumas | Son of Jean-Louis Dumas – Hermès

Net worth:over $30 billion

Pierre-Alexis Dumas was born on June 4, 1966, to Jean-Louis Dumas, former CEO of the luxury brand Hermès, and Rena Gregoriadès, a notable architect. He graduated from Brown University with a degree in visual arts. Pierre started his career in 1991 by working in a silk factory in Italy. The next year, he worked for luxury brand Hermès, founded by his ancestor Thierry in 1837. He eventually became artistic director, and under his tenure, Hermès had some of its massive profits, with at least $3.9 billion in sales.

He is related to current CEO Axel Dumas, who is his cousin. He is married to Sophie Bouilhet of the Christofle family, known for their silver manufacturing. They have three children. He has made investments for an endowment fund responsible for preserving the works of lithographer Charles Alphonse du Fresnoy. Combining the net worth of all family members, the Hermès-Dumas family is worth above $30 billion.