Wai Sum Choy is an experienced product designer currently working at ContractHero, where responsibilities encompass design advocacy, UX process establishment, workshop facilitation, and marketing collaboration. With a previous role as a UX/UI designer at Interone, Wai Sum contributed to the Commercial Client Portal and revamped showroom blueprints. As a product designer at Sharpist, achievements included designing a customer dashboard that enhanced retention and managing multiple projects to improve web and mobile applications. Earlier career highlights include serving as an Anti-Financial Crime Analyst at Deutsche Bank and as a Detective Senior Inspector with the Hong Kong Police Force, where Wai Sum demonstrated strong investigative skills and leadership. Wai Sum holds a Bachelor of Arts in German and History from The University of Hong Kong, along with additional design training from various institutions.