In 1985, Ketty Pucci-Sisti Maisonrouge opened the US branch of Ader Picard Tajan (which later became Etude Tajan), then France's largest auction house. She remained their US representative office until the firm was acquired by the LVMH group in 1999.
In 1988, Ms. Maisonrouge opened the US representative office of the Comité Colbert, the prestigious association of over 70 French luxury companies, and developed their activities across the USA.
In 1988, concurrent with her responsibilities for the Comité Colbert and Etude Tajan, she created Ketty Maisonrouge & Company, a Marketing consulting firm specializing in the fields of Luxury and Fine Arts.
In 2003, with the growing interest in the luxury sector, Ms. Maisonrouge centered the company's focus exclusively on Luxury Innovation, designing innovative strategies for luxury brands and entrepreneurs.