Marie-Edmée de Malherbe
Co-founder
With 20 years of experience at the highest level of the international art market, Marie-Edmée is a respected art specialist in 20th century art, recognised for her discerning eye, deep expertise and integrity in business.
At Sotheby’s, where Marie-Edmée served as Senior Director and Head of Sales in the Impressionist & Modern Art department, she was entrusted with prestigious collections and artworks, achieving record-breaking results and shaping the auction house’s strategy to its strongest performance in Europe.
Before co-founding OneArt Advisory, Marie-Edmée has been independently advising collectors, firms, and institutions across Europe, while also engaging in thought leadership through conferences and running charity auctions.
At OneArt Advisory, she combines auction experience with her advisory practice, bringing together passion for art, rigorous scholarship, and a global network to guide clients in strategically building and managing collections.
