un membre du Comité Exécutif

About un membre du Comité Exécutif

Guillaume de Seynes currently holds one of the most strategic roles at Hermès International, serving as Executive Vice-President of the Upstream Division and Equity Investments and as a member of the group’s Executive Committee. He is part of the core leadership team supporting the managing partners in the strategic direction of the company, with specific responsibility for upstream activities, industrial operations, craftsmanship capabilities, and equity investments. Within Hermès, he is widely seen as a figure of continuity, discipline, and transmission in a family-controlled, listed company that places strong emphasis on long-term value creation. According to the group’s governance documents, he joined Hermès Sellier in 1995 as a financial controller and steadily moved through positions of increasing responsibility. He served as Director of Sales and Marketing at La Montre Hermès, then as Managing Director of La Montre Hermès, before becoming Managing Director of the métiers at Hermès Sellier. He later acted as Deputy Managing Director of Hermès International, before taking on his current responsibilities over the Upstream Division and Equity Investments. His career path reflects a steady progression across finance, industrial development, and corporate governance. Educated at Sciences Po Paris and later in economics, finance, and economic history at the University of Paris Nanterre, he brings a strong analytical background combined with a deep understanding of artisanal métiers and value-chain issues. At Hermès, he embodies a rare blend of industrial oversight and capital allocation expertise, with a focus on safeguarding craftsmanship, structuring upstream activities, and overseeing strategic participations. His mandate aligns with Hermès’ broader model of controlled growth, operational excellence, independence, and long-term resilience.