Valérie Didier is a graduate of Cambridge University and the Courtauld Institute in London. She participates in several projects with major institutions, including the Louvre in Paris, the Center for Research and Restoration of French Museums, and the Princely Collections of the Liechtenstein Museum in Vienna, Austria. For Christie's, she joined the Impressionist and Modern Art Department in 2006, became director of business development in the Middle East, then since 2017 is a specialist in the impressionist and modern art in Paris.

Hussam Rashwan is a scholar who is part of the Egyptian academic artistic elite. In order to preserve the history of modern Egyptian art, it maintains an exceptional collection of art and literary references and has developed renowned expertise in this subject. It supports numerous research projects and collaborates with art collectors, eminent scholars, major institutions and curators.

Valérie Didier and Hussam Rashwan have already published together, Mahmoud Saïd, the catalogue raisonné (2017).