Product Management and Product Design
Question: "Is product design a part of the product management domain?"
The task of product design is not the responsibility of any role in the product management domain. Product design resides in the solution space (designing and building a product) while the product management domain resides in the problem space (identifying and articulating market problems, from a product planning perspective).
Product design is entrusted to User Interface Experts who are a distinct role in the User Experience function. This is an established practice in technology companies. For example, separating user experience and product management is notably displayed in the Microsoft Solutions Framework (MSF) Team Model, a part of a collection of best practices for delivering technology products which was first introduced in 1993 by Microsoft.
