interior designer
person who designs the interior decoration of a room or building; who plans, researches, coordinates, and manages such projects
en-GB/ɪnˈtɪəɹɪə dɪˈzaɪnə/
en-US/ɪnˈtiɹiɚ dɪˈzaɪnɚ/
person who designs the interior decoration of a room or building; who plans, researches, coordinates, and manages such projects