The agency was created by Anne-Marie Holzman. DIAMH stands for Design d'interieurs par Anne-Marie Holzman (Interior design by Anne-Marie Holzman). It is a nod to the world of jewelry, another world of design and luxury that she is particularly fond of.

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After receiving her diploma in architecture and Parisian interior decorating, she decided to pursue her dream job after working first as a lawyer and then in management and organizational consulting with major companies. It wasn't until her returned from an expatriation of 3 years in NYC that she decided to make design her career. With strong consulting experience from over 10 years with discerning clients, and with her passion for remodeling spaces and their staging, she tackles and manages each project with whose process and creativity she has been entrusted, with the ultimate goal of satisfaction and well-being of her clients.