Vestiaire Collective , a leading global platform for pre-owned luxury fashion, has promoted Bernard Osta to chief executive officer. He succeeds Maximilian Bittner, who has led the company for the past seven years.

Bittner remains a shareholder but no longer holds a position in the company.

Based in Paris, Osta has been part of Vestiaire Collective since May 2021. He had been chief strategy officer from May 2021 to August 2023, and chief financial officer from September 2023 to September 2025. Before joining Vestiaire, Osta spent time advising businesses strategically as an investment banker for 15 years at Lazard (2006 to 2011) and Goldman Sachs (2011 to 2021) in New York and Paris. He also serves as independent member of the supervisory board of media and entertainment group Vivendi

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