Muaddi was born in Romania to a Jordanian father and Romanian mother. Shortly after, her family relocated to Amman. Her parents split when she was six and she returned to Romania with her mother, where she spent most of her childhood. After completing her studies at the European Institute of Design in Milan, she worked as an assistant stylist for Condé Nast, Vogue Italy, L’Uomo Vogue and then for GQ magazine in New York.
Muaddi gained an interest in designing footwear and moved to Riviera del Brenta to learn about the trade, working with artisans and suppliers.Upon returning to Milan in 2013, Muaddi co-founded luxury label Oscar Tiye, which was featured that year during Milan Fashion Week.She then moved to Paris and worked with Alexandre Vauthier as a designer on his footwear line.
