MDes (Master of Design) and MSc (Master of Science) Interior Design are research- and studio-focused programmes — advanced studio practice, specialisation, and deeper design craft. MBA in Interior Design is the business-focused track — pairs studio practice with vendor management, project budgeting, client operations, and studio leadership. Choose MDes/MSc if you want to deepen design craft or move into teaching/research; choose MBA if you want to lead studios, manage large projects, or run your own interior design business.