Zhao Jia, a product designer, jewelry designer, cross-disciplinary designer specializing in intangible cultural heritage, and gemologist, holds a Master of Desgin Practices from The Hong Kong Polytechnic University. In 2023, she was invited to attend the Florence Biennale in Italy. Her works have been auctioned by renowned auction houses such as Poly Auction Hong Kong and China Guardian, and collected by connoisseurs. She is also the designer of the crown and ring for the World Madam competition.