The role of an interior designer is to create spaces that combine functionality, aesthetics and personality, taking into account the needs and preferences of clients. 

Here are some key aspects of the role of an interior designer:

1. Consultation and analysis of client needs: The designer meets with the client to identify and understand their wants, preferences, budget and needs. This includes determining the functional requirements of the space, stylistic preferences and any specific requests.
2. Concept and design project development: Based on the collected information, the designer creates an interior concept, including the choice of color palette, materials, furniture, lighting and decor. He also develops space plans, sketches and 3D renderings to illustrate the proposed design.
3. Selection of materials and furniture: The interior designer selects suitable materials for finishing walls, floors, ceilings, as well as furniture, accessories and lighting, taking into account their quality, style, functionality and budget.
4. Managing the Project Delivery Process: The designer interacts with contractors, suppliers, and other professionals to ensure the project is completed correctly. He monitors compliance with design decisions and deadlines, and also coordinates installation and interior decoration work.
5. Creating a unique and functional space: The main goal of an interior designer is to create a space that not only reflects the client’s personality, but also provides maximum functionality, comfort and harmony. To do this, the designer takes into account both aesthetic and practical aspects of the design.

Overall, the role of an interior designer is to turn a concept into reality by creating attractive, functional and comfortable interiors that reflect the clients’ personality and needs.