Christina Valentin is a Swedish interior architect who has designed interiors for public spaces since 1975. This includes hospitals and other healthcare facilities, schools, office buildings and more. She is a partner in Plain Architects and Plodi Design. She designed the first Zapp luminaire in the late 1990ies. The luminaire won the Norwegian Design Council’s award for design excellence. Today, Zapp is a comprehensive family of decorative luminaires – pendant, wall and ceiling mounted.